CN110527211A - A kind of PVC high flame retardant sealing bar composition and preparation method thereof - Google Patents
A kind of PVC high flame retardant sealing bar composition and preparation method thereof Download PDFInfo
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- CN110527211A CN110527211A CN201910694230.5A CN201910694230A CN110527211A CN 110527211 A CN110527211 A CN 110527211A CN 201910694230 A CN201910694230 A CN 201910694230A CN 110527211 A CN110527211 A CN 110527211A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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Abstract
The present invention relates to a kind of PVC high flame retardants to seal bar composition, the composition material is according to the mass fraction, by following material composition: 100 parts of Corvics, 56-79 parts of plasticizer, 15-25 parts of ultra-fine needle shape wollastonite powders, 15-25 parts of precipitated calcium carbonates, 3-7 parts of stabilizers, 66-99 parts of fire retardants, 0.3-0.7 parts of color masterbatch.Wherein plasticizer is made of primary plasticizer 1,2- hexamethylene-dicarboxylic acids dinonyl, co-plasticizer dioctyl sebacate and co-plasticizer B-02.Sealing strip of the invention substantially increases its anti-flammability, oxygen index (OI) is up to 53.6% under the standard physical performance for guaranteeing sealing strip.And the VOC of release is less, Odor Evaluations grade is low.
Description
Technical field
The invention belongs to function new material technology field, it is related to a kind of PVC high flame retardant sealing bar composition and its preparation
Method.
Background technique
Polyvinyl chloride (PVC) resin is a kind of primary raw material for producing plastic products, 500,000,000 tons of world's PVC dosage/
Year, 20,000,000 tons/year of China, it has flame retardancy, anticorrosive, wear-resistant, insulation, cheap and raw material sources wide
The advantages that general.Different products can be produced by addition various additives and by a variety of forming methods.Its product can
The physical mechanical property that different properties are presented, is widely used in the various fields such as tubing, plate, profile.Profile is China
The maximum field of PVC consumption figure, accounts for about 25% or so of PVC aggregate consumption, is mainly used for making door and window and energy-saving material.Mesh
Its preceding application amount still increases by a fairly big margin in China.
With the fast development of building trade, the plastic-steel door and window demand for obtaining the universal favorable comment of people increases, and sends the documents in state
Mark " Code for fire protection design of buildings " GB50016 should have fire integrity demands, fireproof window institute to exceptionally window in the middle part of skyscraper
The materials such as the sealing strip, sealant, door-window sealing member, the handware that use, should be non-ignitable or nonflammable materials, and combustibility is answered
Meet the requirement for being either higher than existing national standards.The development of the high quality of plastic-steel door and window assembling industry is greatly facilitated, makees
One of important component for plastic-steel window sealing strip nature demand also increases severely.The main Types of sealing strip have rubber weather strip and
PVC sealing strip, and a small amount of other types of sealing strip, the effect of sealing strip is that other parts are irreplaceable.Rubber
Glue sealing rod density is big, complex forming technology；There is be easily cracked, be easily hardened, easy to aging for PVC sealing strip available on the market
The defects of, and in doors and windows sealing sealing strip dosage it is larger, when a fire, sealing strip belongs to combustibles, and high temperature fires
Certain poisonous and harmful substance can be released when burning.The bad sealing strip of flame retardant property cannot play isolation in the case of fire
Fireproof effect, and will increase the intensity of a fire and release dense smoke and toxic gas, secondary wound is caused instead to people's health
Evil.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of high flame retardant sealing bar compositions and preparation method thereof.
In order to achieve the above objectives, the invention provides the following technical scheme:
1. a kind of PVC high flame retardant seals bar composition, the composition material according to the mass fraction, by following substance group
At: 100 parts of Corvics, 56-79 parts of plasticizer, 15-25 parts of ultra-fine needle shape wollastonite powders, 15-25 parts of lightweight carbonic acid
Calcium, 3-7 parts of stabilizers, 66-99 parts of fire retardants, 0.3-0.7 parts of color masterbatch.
Further, the plasticizer is by primary plasticizer 1,2- hexamethylene-dicarboxylic acids dinonyl, co-plasticizer decanedioic acid two
Pungent rouge and co-plasticizer B-02 composition.
Further, 1, the 2- hexamethylene-dicarboxylic acids dinonyl is 35-45 parts, and the dioctyl sebacate is 15-25
Part, the B-02 is 6-9 parts.
Further, the fire retardant is the mixture of TCPP, organic silicon fibre retardant, zinc borate and chlorinated paraffin 70.
Further, the TCPP is 15-25 parts, and the organic silicon fibre retardant is 20-30 parts, and the zinc borate is 25-35
Part, the chlorinated paraffin 70 is 6-9 parts.
Further, the composition material according to the mass fraction, by following material composition: a kind of high flame retardant sealing strip group
Close object, raw material according to the mass fraction, by following material composition: 100 parts of Corvics, 40 parts of primary plasticizers 1,2- ring
Hexane-dicarboxylic acids dinonyl (UN899), 18 parts of co-plasticizer dioctyl sebacates (DOS-H), 7 parts of co-plasticizer B-0218 parts of ultra-fine needle shape wollastonite powders, 20 parts of precipitated calcium carbonates, 5 parts of stabilizers (Japanese marshy land A300), 20
Part tricresyl phosphate (2- chloropropyl) ester (TCPP), 22 parts of organic silicon fibre retardants, 32 parts of zinc borates, 6 parts of chlorinated paraffins, 70,0.5 part of color
It is female.
2. a kind of preparation method of PVC high flame retardant sealing strip, the preparation method step are as follows:
A. by plasticizer and ultra-fine needle shape wollastonite powder elder generation mixed at high speed；
B. polyvinyl chloride is added, heating is kneaded；
C. precipitated calcium carbonate, stabilizer, fire retardant agent and color masterbatch is added to continue to be kneaded；
D. last mixture extruding pelletization, then extrusion molding obtain high flame retardant sealing strip.
Further, in step a, mixing temperature is 60-70 DEG C, mixing rate 400-500r/min；In step b, it is kneaded temperature
Degree is 90~100 DEG C, mixing rate 500-600r/min.
Further, melting temperature is 130 DEG C, mixing rate 200r/min.
Further, in step d, finally mixture is granulated through twin-screw multisection type extruder, wherein double screw extruder
Each phase temperature control are as follows: 140~165 DEG C of an area, two 170~175 DEG C of areas, three 175~180 DEG C of areas, four areas 185~195
DEG C, 170 DEG C of die head temperature, wherein upper machine screw speed is 400r/min, lower machine screw speed is 70r/min.
The beneficial effects of the present invention are: sealing strip prepared by the high flame retardant sealing bar composition of present aspect, not only
The standard physical performance for meeting sealing strip, substantially increases its anti-flammability, and oxygen index (OI) can reach 46.1-53.6%.And release
VOC is less, and Odor Evaluations grade is low, and comprehensive just 2.95 grades.
Detailed description of the invention
In order to keep the purpose of the present invention, technical scheme and beneficial effects clearer, the present invention provides following attached drawing and carries out
Illustrate:
Fig. 1 is the oxygen index (OI) examining report of high flame retardant sealing strip prepared by embodiment 2.
Fig. 2 is the oxygen index (OI) examining report of high flame retardant sealing strip prepared by embodiment 7.
Fig. 3 is the high flame retardant sealing strip physical property testing result of embodiment 2.
Fig. 4 is sample object figure.
Specific embodiment
Below in conjunction with attached drawing, a preferred embodiment of the present invention will be described in detail.It is not specified in embodiment specific
The experimental method of condition, usually according to conventional conditions or according to the manufacturer's recommendations.
Embodiment 1
A kind of high flame retardant seals bar composition, raw material according to the mass fraction, by following material composition: 100 parts of polychlorostyrene
Vinyl, 35 parts of primary plasticizers 1,2- hexamethylene-dicarboxylic acids dinonyl (UN899), 15 parts of co-plasticizer decanedioic acid two are pungent
Ester (DOS-H), 6 parts of co-plasticizer B-0215 parts of ultra-fine needle shape wollastonite powders, 15 parts of precipitated calcium carbonates, 3
Part stabilizer (Japanese marshy land A300), 15 parts of tricresyl phosphate (2- chloropropyl) esters (TCPP), 20 parts of organic silicon fibre retardants, 25 parts of boron
Sour zinc, 6 parts of chlorinated paraffins, 70,0.2 part of color masterbatch.
B-02 plasticizer can prevent low molecular weight volatile object to be precipitated, and promote resistance to migration；It can be effectively reduced
VOC promotes material environmental safety.Primary plasticizer 1,2- hexamethylene-dicarboxylic acids dinonyl, dioctyl sebacate andThe compounding of B-02, the significantly more efficient precipitation for reducing VOC, because integral formula joined other more auxiliary
Agent, it is ensured that the percent thermal shrinkage and rebound degree of PVC sealing strip improveThe number of B-02.The present invention is
The sealing strip of door and window, needs to further increase its flame retardant property, tricresyl phosphate (2- chloropropyl) ester (TCPP), organic silicon fibre retardant,
Reasonably proportion ensure that its flame retardant property for zinc borate and chlorinated paraffin 70.It is excessive by test discovery precipitated calcium carbonate, it reduces
The toughness of sealing strip, keeps its brittleness bigger, accelerates the aging of sealing strip；Organic silicon fibre retardant additional amount is excessive, influences close
The resilience performance of strip of paper used for sealing.
Preparation method:
High flame retardant seals bar composition:
A. by primary plasticizer 1,2- hexamethylene-dicarboxylic acids dinonyl, co-plasticizer dioctyl sebacate, co-plasticizer B-
02 and ultra-fine needle shape wollastonite powder be added in mixed at high speed unit, mixed at 60-70 DEG C with the rate of 500r/min；First will
Ultra-fine needle shape wollastonite powder and plasticizer high speed mix and, disperse ultra-fine needle shape wollastonite powder preferably in plasticizers, then
It heats and is kneaded with polyvinyl chloride, increase plasticizer and polyvinyl chloride mixing degree, be conducive to plasticizer and improve polyvinyl chloride performance；
B. polyvinyl chloride is added, with 500-600r/min mixing 10-20 minutes at 90~100 DEG C；
C. precipitated calcium carbonate, stabilizer, tricresyl phosphate (2- chloropropyl) ester, organic silicon fibre retardant, zinc borate, chlorination are added
Paraffin 70 and color masterbatch are mixed at 130 DEG C with the rate of 200r/min；Speed is reduced after being eventually adding other adjuvants and color masterbatch
Rate is kneaded, and is reduced high speed rotation to the impact force of product polyvinyl chloride, is reduced end product break-draw strain；
D. finally mixture is granulated through twin-screw multisection type extruder, adds extrusion shaping machine into sealing strip；Wherein,
Each phase temperature of double screw extruder controls are as follows: 140~165 DEG C of an area, two 170~175 DEG C of areas, and three 175~180 DEG C of areas,
Four 185~195 DEG C of areas, 170 DEG C of die head temperature, wherein upper machine screw speed is 400r/min, lower machine screw speed is 70r/
min。
Embodiment 2
A kind of high flame retardant seals bar composition, raw material according to the mass fraction, by following material composition: 100 parts of polychlorostyrene
Vinyl, 40 parts of primary plasticizers 1,2- hexamethylene-dicarboxylic acids dinonyl (UN899), 18 parts of co-plasticizer decanedioic acid two are pungent
Ester (DOS-H), 7 parts of co-plasticizer B-0218 parts of ultra-fine needle shape wollastonite powders, 20 parts of precipitated calcium carbonates, 5
Part stabilizer (Japanese marshy land A300), 20 parts of tricresyl phosphate (2- chloropropyl) esters (TCPP), 22 parts of organic silicon fibre retardants, 32 parts of boron
Sour zinc, 6 parts of chlorinated paraffins, 70,0.5 part of color masterbatch.
The preparation method is the same as that of Example 1.
Embodiment 3
A kind of high flame retardant seals bar composition, raw material according to the mass fraction, by following material composition: 100 parts of polychlorostyrene
Vinyl, 38 parts of primary plasticizers 1,2- hexamethylene-dicarboxylic acids dinonyl (UN899), 23 parts of co-plasticizer dibutoxyethyl sebacates
(DOS-H), 8 parts of co-plasticizer B-0217 parts of ultra-fine needle shape wollastonite powders, 18 parts of precipitated calcium carbonates, 6 parts
Stabilizer (Japanese marshy land A300), 17 parts of tricresyl phosphate (2- chloropropyl) esters (TCPP), 25 parts of organic silicon fibre retardants, 30 parts of boric acid
Zinc, 8 parts of chlorinated paraffins, 70,0.6 part of color masterbatch.
The preparation method is the same as that of Example 1.
Embodiment 4
A kind of high flame retardant seals bar composition, raw material according to the mass fraction, by following material composition: 100 parts of polychlorostyrene
Vinyl, 45 parts of primary plasticizers 1,2- hexamethylene-dicarboxylic acids dinonyl (UN899), 25 parts of co-plasticizer decanedioic acid two are pungent
Rouge (DOS-H), 9 parts of co-plasticizer B-0225 parts of ultra-fine needle shape wollastonite powders, 25 parts of precipitated calcium carbonates, 7
Part stabilizer (Japanese marshy land A300), 25 parts of tricresyl phosphate (2- chloropropyl) esters (TCPP), 30 parts of organic silicon fibre retardants, 35 parts of boron
Sour zinc, 9 parts of chlorinated paraffins, 70,0.7 part of color masterbatch.
The preparation method is the same as that of Example 1.
Embodiment 5
A kind of high flame retardant seals bar composition, raw material according to the mass fraction, by following material composition: 100 parts of polychlorostyrene
Vinyl, 42 parts of primary plasticizers 1,2- hexamethylene-dicarboxylic acids dinonyl (UN899), 19 parts of co-plasticizer decanedioic acid two are pungent
Ester (DOS-H), 7 parts of co-plasticizer B-0220 parts of ultra-fine needle shape wollastonite powders, 20 parts of precipitated calcium carbonates, 4
Part stabilizer (Japanese marshy land A300), 17 parts of tricresyl phosphate (2- chloropropyl) esters (TCPP), 26 parts of organic silicon fibre retardants, 33 parts of boron
Sour zinc, 8 parts of chlorinated paraffins, 70,0.4 part of color masterbatch.
The preparation method is the same as that of Example 1.
Embodiment 6
A kind of high flame retardant seals bar composition, raw material according to the mass fraction, by following material composition: 100 parts of polychlorostyrene
Vinyl, 36 parts of primary plasticizers 1,2- hexamethylene-dicarboxylic acids dinonyl (UN899), 21 parts of co-plasticizer decanedioic acid two are pungent
Ester (DOS-H), 6 parts of co-plasticizer B-0224 parts of ultra-fine needle shape wollastonite powders, 16 parts of precipitated calcium carbonates, 5
Part stabilizer (Japanese marshy land A300), 21 parts of tricresyl phosphate (2- chloropropyl) esters (TCPP), 22 parts of organic silicon fibre retardants, 30 parts of boron
Sour zinc, 7 parts of chlorinated paraffins, 70,0.5 part of color masterbatch.
The preparation method is the same as that of Example 1.
7 comparative example of embodiment
A kind of sealing bar composition, raw material according to the mass fraction, by following material composition: 100 parts of Corvics,
40 parts of primary plasticizers 1,2- hexamethylene-dicarboxylic acids dinonyl (UN899), 18 parts of co-plasticizer dioctyl sebacate (DOS-
H), 7 parts of co-plasticizer B-0218 parts of ultra-fine needle shape wollastonite powders, 35 parts of precipitated calcium carbonates, 5 parts of stabilizers
(Japanese marshy land A300), 20 parts of tricresyl phosphate (2- chloropropyl) esters (TCPP), 22 parts of organic silicon fibre retardants, 32 parts of zinc borates, 6 parts
70,0.5 part of color masterbatch of chlorinated paraffin.
The preparation method is the same as that of Example 1.
8 performance test of embodiment
Sealing strip prepared by embodiment 1-7 is detected to the physical property of its material, detection according to GB/T 12002-1989
Mesh and test result are as shown in table 1:
The sealing strip physical property of 1 embodiment 1-7 of table preparation
Wherein the sealing strip physical property testing result of embodiment 2 is as shown in Figure 3.
High flame retardant sealing strip prepared by embodiment 2 carries out Odor Evaluations, and Fig. 4 is sample object figure.
Intercept 50cm3Sealing strip, put it into 1L odor bottle, after placing for 24 hours in 70 DEG C of baking oven, evaluate it
Odour intensity.The evaluation of odour intensity is carried out according to shown in table 2.
The description of 2 Odor Evaluations result of table
Through 10 Odor Evaluations personnel Blind Test, 3 retests (each test interval 7 days), Odor Evaluations average out to 2.88
Grade, wherein scoring is as shown in table 3 every time.
3 Odor Evaluations level estimate of table
Sealing strip prepared by embodiment 1-7 is according to GB/T 2406.2-2009 " plastics oxygen index method measurement burning row
Tested for the 2nd part: room temperature " test its oxygen index (OI).Test result is as shown in table 4, and prepared by embodiment 2 and embodiment 7
Sealing strip sample send to Chongqing City's fire product quality monitoring testing station and is detected, and the oxygen index (OI) of 2 sample of embodiment is
53.6%, testing result is as shown in Figure 1.The oxygen index (OI) of 7 sample of embodiment is 30.2%, and testing result is as shown in Figure 2.
The sealing strip oxygen index (OI) result of each embodiment of table 4 preparation
| Embodiment | Oxygen index (OI) % |
| Embodiment 1 | 46.1 |
| Embodiment 2 | 53.6 |
| Embodiment 3 | 48.6 |
| Embodiment 4 | 46.7 |
| Embodiment 5 | 48.3 |
| Embodiment 6 | 49.7 |
| Embodiment 7 | 30.2 |
Finally, it is stated that preferred embodiment above is only used to illustrate the technical scheme of the present invention and not to limit it, although logical
It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (10)
1. a kind of PVC high flame retardant seals bar composition, which is characterized in that the composition material according to the mass fraction, by with
Lower material composition: 100 parts of Corvics, 56-79 parts of plasticizer, 15-25 parts of ultra-fine needle shape wollastonite powders are 15-25 parts light
Matter calcium carbonate, 3-7 parts of stabilizers, 66-99 parts of fire retardants, 0.3-0.7 parts of color masterbatch.
2. PVC high flame retardant according to claim 1 seals bar composition, which is characterized in that the plasticizer is by main increasing
Mould agent 1,2- hexamethylene-dicarboxylic acids dinonyl, co-plasticizer dioctyl sebacate and co-plasticizer B-02 composition.
3. PVC high flame retardant according to claim 2 seals bar composition, which is characterized in that 1, the 2- hexamethylene-two
Carboxylic acid dinonyl is 35-45 parts, and the dioctyl sebacate is 15-25 parts, and the B-02 is 6-9 parts.
4. PVC high flame retardant according to claim 1 seals bar composition, which is characterized in that the fire retardant is phosphorus
Sour three (2- chloropropyl) esters, organic silicon fibre retardant, zinc borate and chlorinated paraffin 70 mixture.
5. PVC high flame retardant according to claim 4 seals bar composition, which is characterized in that the TCPP is 15-25
Part, the organic silicon fibre retardant is 20-30 parts, and the zinc borate is 25-35 parts, and the chlorinated paraffin 70 is 6-9 parts.
6. PVC high flame retardant according to claim 4 seals bar composition, which is characterized in that the composition material is pressed
Mass fraction meter, by following material composition: 100 parts of Corvics, 40 parts of primary plasticizers 1,2- hexamethylene-dicarboxylic acids two are different
Nonyl ester, 18 parts of co-plasticizer dioctyl sebacates, 7 parts of co-plasticizer B-02,18 parts of ultra-fine needle shape wollastonite powders, 20 parts of lightweight carbon
Sour calcium, 5 parts of stabilizers are marshy land A300,20 parts of tricresyl phosphate (2- chloropropyl) esters, 22 parts of organic silicon fibre retardants, 32 parts of zinc borates, 6
Part 70,0.5 part of color masterbatch of chlorinated paraffin.
7. the preparation method of any one of claim 1-6 PVC high flame retardant sealing bar composition, which is characterized in that the preparation
Method and step are as follows:
A. by plasticizer and ultra-fine needle shape wollastonite powder elder generation mixed at high speed；
B. polyvinyl chloride is added, heating is kneaded；
C. precipitated calcium carbonate, stabilizer, fire retardant agent and color masterbatch is added to continue to be kneaded；
D. last mixture extruding pelletization, then extrusion molding obtain high flame retardant sealing strip.
8. preparation method according to claim 7, which is characterized in that in step a, mixing temperature is 60-70 DEG C, mixing speed
Rate 400-500r/min；In step b, melting temperature is 90~100 DEG C, mixing rate 500-600r/min.
9. preparation method according to claim 7, which is characterized in that in step c, melting temperature is 130 DEG C, mixing rate
200r/min。
10. preparation method according to claim 7, which is characterized in that finally that mixture is more through twin-screw in step d
Segmentation extruder is granulated, wherein each phase temperature of double screw extruder controls are as follows: 140~165 DEG C of an area, two areas 170~
175 DEG C, three 175~180 DEG C of areas, four 185~195 DEG C of areas, 170 DEG C of die head temperature, wherein upper machine screw speed is 400r/min,
Lower machine screw speed is 70r/min.
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| CN108530792A (en) * | 2018-03-13 | 2018-09-14 | 苏州银禧科技有限公司 | Low VOC polyvinyl chloride composite materials of a kind of low smell and preparation method thereof |
| CN109021456A (en) * | 2018-08-22 | 2018-12-18 | 宝天高科（广东）有限公司 | A kind of flame-retardant smoke inhibition environment-friendly PVC low ratio foamed plate and preparation method thereof |
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Application publication date: 20191203 |