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CN101649082A - Medical glove and manufacturing method thereof - Google Patents

Medical glove and manufacturing method thereof Download PDF

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Publication number
CN101649082A
CN101649082A CN200810030133A CN200810030133A CN101649082A CN 101649082 A CN101649082 A CN 101649082A CN 200810030133 A CN200810030133 A CN 200810030133A CN 200810030133 A CN200810030133 A CN 200810030133A CN 101649082 A CN101649082 A CN 101649082A
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China
Prior art keywords
ldpe
lldpe
opening agent
eva
medical
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CN200810030133A
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Chinese (zh)
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卢锦辉
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Individual
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Individual
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Priority to CN200810030133A priority Critical patent/CN101649082A/en
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  • Gloves (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention relates to the technical field of hand protection articles, in particular to a medical glove and a manufacturing method thereof. The raw materials for manufacturing the medical glove comprise: EVA, LLDPE, LDPE and an opening agent, wherein the mass ratio of the raw materials is as follows: EVA: 36%, LLDPE: 20%, LDPE: 43%, opening agent: 1 percent. The invention does not contain protein, thus effectively avoiding skin allergy caused by the powder; the surface treatment with the lines can be carried out, so that the sliding of the appliance is avoided when the appliance is used; the garment can be worn by both left and right hands; the disposable use is flexible and convenient, and various infections can be effectively prevented; the tensile strength is high, so that the clothes can be prevented from being torn when being worn; the anti-impact and anti-tear capability is strong; the inner surface is smooth and convenient to wear; low production cost, good performance, easy acceptance and larger market competitiveness. The invention is suitable for the operation industries of medical treatment, medicine, sanitary protection, hairdressing, beauty, food processing and the like.

Description

A kind of medical gloves and preparation method thereof
Technical field:
The present invention relates to a kind of gloves articles for use technical field, refer in particular to a kind of medical gloves and preparation method thereof.
Background technology:
As everyone knows, present various can transmissible disease generally the propagation by the air or the way of contact, and the way of contact is the main channel of disease propagation.For avoiding pathogen transmission by the hand way of contact; all can use disposable glove the operator in operation industries such as medical treatment, medicine, the healthy prevention, cosmetology and food-processing; disposable glove is a kind of indispensable hand protection articles, is used to prevent that bacterium, virus infection, dirt are sticky with etc.Gloves can be according to different needs, and people will select different gloves.At present at housework work, food and drink, cosmetology, medical treatment, used polyethylene (PE) gloves in the industries such as food, the PE gloves adopt brand-new polyethylene raw material, be equipped with that other auxiliary agents are refining to process, polyethylene (PE) has bright in color, and is transparent, thickness is even, it is convenient, comfortable, in light weight to dress, good hand touch, price is low, and is nontoxic, the feel ceraceous, has good resistance to low temperature (minimum use temperature can reach-70~-100 ℃), chemical stability is good, and the erosion of the most of soda acids of ability (not anti-acid with oxidizing property) is insoluble to common solvent under the normal temperature, water-absorbent is little, and electrical insulation capability is good; But polyethylene is very sensitive for environmental stress (chemistry and mechanical effect), and heat-resistant aging is poor, in deficiencies such as the easy crackings in the hot pressing envelope place of cutting, causes that user bacterium, virus infection, dirt are sticky with etc., thereby can't satisfy the demand in market fully.At present in medical treatment, the emgloves that used gloves adopt elastomeric material to be made in operation, though along with science and technology development, the performance of emgloves has had bigger improvement, possessed advantages such as snappiness, elasticity and intensity preferably, but the feel of emgloves is bad, and inner protein causes the irritated trace of medical personnel's skin contact to be itched, emgloves also has the high deficiency of production cost, to such an extent as to daily medical care, inspection, chemical examination and hygiene outside medical operating can use product of the present invention to replace emgloves.Performance of the present invention is better than the polyethylene film gloves and approaches emgloves, and price is far below emgloves.
Summary of the invention:
Technical problem to be solved by this invention is to overcome existing deficiency in the gloves exactly, provides a kind of and has tensile strength height, shock resistance, lear energy is strong, internal surface is smooth, production cost is low, easy to use, the medical gloves that is easy to accept and preparation method thereof.
For solving the problems of the technologies described above, the present invention has adopted following technical scheme: the raw material of making this medical gloves comprises: EVA, LLDPE, LDPE, opening agent, and the mass ratio of described raw material is: 30-45%, LLDPE:15-30%, LDPE:40-50%, opening agent: 0.8-1.2%.
The method of making this medical gloves may further comprise the steps:
At first: make mixture, with broken mashed raw material: EVA, LLDPE, LDPE, opening agent mix, and the formation mixture that stirs, the mass ratio of above-mentioned raw materials is: 30-45%, LLDPE:15-30%, LDPE:40-50%, opening agent: 0.8-1.2%;
Secondly: with the mixture that stirs through the high temperature thermosol extruding blow and pull into film, the thermosol temperature is 160 ℃-195 ℃;
At last: film is cut into type through the hot pressing envelope makes rubber plastic film gloves, the temperature that the hot pressing envelope is cut is 145 ℃-166 ℃.
Wherein: EVA: ethylene-vinyl acetate copolymer, EVA compares with polyethylene (PE), the sour vinyl monomer owing to induced one on the molecular chain, thereby reduced high-crystallinity, improved snappiness, shock-resistance, filler absorption and heat seal, product has good flexibility, impact strength, environmental stress crack resistance and good optical performance, low temperature resistant and nontoxic characteristic in wide temperature range.
LLDPE: linear low density polyethylene, LLDPE is called as the poly linear low density polyethylene of the third generation (LLDPE) resin, except that performance with general polyolefin resin, its tensile strength, tearing toughness, environmental stress crack resistance, lower temperature resistance, thermotolerance and paracentesis resistance, particularly superior, obtained the development of gazing at.
Though the LDPE in LLDPE and past belongs to-density range, because the molecular structure difference between them, the melt rheology behavior is also different, so their physics essential property and forming process characteristics are also inequality.
-as the degree of branching of LDPE higher, in per 1000 carbon atoms, contain 15-30 methyl chains and a spot of ethyl and butyl side chain, and the LLDPE degree of branching is low, its structure proximate is in HDPE, its side group number is about 10~20 (the HDPE degree of branching is very low, only contains 5-7 ethyl side chains on the main chain of per 1000 carbon atoms) between LDPE and HDPE.
The relative density of LLDPE is 0.920-0.935; Its breaking tenacity is the 16-33 MPa; Elongation at break is 800%-1000%; Shore hardness is 55-57; Softening temperature 105-113 ℃; Embrittlement temperature is less than-75 ℃; Melt flow rate (MFR) divides roughly that general film is 0.9, packaging film is 2, extrusion grade is 0.3, the rotational moulding level is 4, the injection molding level is scopes such as 8.
The environmental stress resistance cracking (ESCR) of LLDPE is better, and is higher tens times than HDPE under same melt flow rate (MFR).Be used for making the washing composition that requires anti-high ESCR or contain the butyrous container so LLDPE is suitable.
LDPE: new LDPE (film grade)
New LDPE (film grade) (LDPE) also is called high-pressure polyethylene.Polyethylene is to be polymerized by vinyl monomer.Vinyl monomer can be by the oil Pintsch process, waste gas in Sweet natural gas or the refinery, i.e. and ethane, propane cracking forms, or formed by dehydration of alcohol, or reclaims from waste gas and get.Most of is petroleum cracking path of preparing ethylene monomer.
Ethene forms polyethylene through high pressure polymerisation, and monomer concentration requires 99.95%, and pressure is 100-300MPa during polymerization, and 160~270 ℃ of polymerization temperatures are pressed the reaction of radical course, the method for industrial employing mass polymerization, i.e. vapor phase process; With azo-compound or organo-peroxide, or oxygen is as initiator.
The trade mark of LDPE is mainly decided by the polymerization degree of resin, and the polymerization degree is arranged by reaction pressure, temperature of reaction, amount of initiator, conditioning agent (propane commonly used) etc.
LDPE is owing to react by the radical polymerization course, so chain transfer easily takes place, there are a large amount of branched structures in the product, molecular structure lacks regularity, therefore the degree of crystallinity of LDPE is less, is 65%-75%, and density is lower, be 0.91-0.93 gram/cubic centimetre, molecular weight is generally about 25000.
LDPE is mainly used in and makes agricultural canopy film, mulch film, in addition small part be used for various light, multilayer packing membranes, as food bag, goods bag, heavily packing bag of industry, laminated film or woven bag liner, coating, various tubing, electric wire, cable insulation, as other poly modifying material etc.
Opening thinner credit minor: CH3 (CH2) 7CH=CH (CH2) 7CONH2 molecular weight: 281.486.The opening agent is for being that raw material processes with the vegetables oil, and outward appearance is a wax shape free from extraneous odour small-particle (small-crystalline).Opening agent and resin intermiscibility are better, and more stable to heat, oxygen, ultraviolet ray, the opening agent has typical polarity and non-polar molecule structure.The opening agent can form unimolecular film at material interface.The opening agent have anti stick, smooth, increase effects such as cunning, levelling, waterproof, damp proof, anti-precipitation, fouling resistance, antistatic and dispersion.The opening agent is a kind of nonionogenic tenside of nontoxic no burn into excellent performance.
The present invention does not contain protein, effectively avoid by powder cause allergic; The line surface treatment can be arranged, the landing of utensil when deduction and exemption are used; Being regardless of right-hand man, right-hand man all can dress; Once flexible and convenient to use, can effectively prevent various infection; The tensile strength height can be avoided tearing when dressing; Have shock resistance, lear energy is strong; Smooth being convenient to of internal surface dressed; Production cost is low, performance good, be easy to acceptance, has the bigger market competitiveness.
In operation such as suitable medical of the present invention, medicine, the healthy prevention, cosmetology and the food-processing industry.
Description of drawings:
Fig. 1 is a method steps synoptic diagram of making medical gloves.
Embodiment:
The present invention is further illustrated below in conjunction with accompanying drawing:
The raw material of making this medical gloves comprises: EVA, LLDPE, LDPE, opening agent, the mass ratio of described raw material is: 30-45%, LLDPE:15-30%, LDPE:40-50%, opening agent: 0.8-1.2%.
It below is the present invention's one specific embodiment.
The method of making this medical gloves may further comprise the steps (see figure 1);
At first: make mixture, with broken mashed raw material: EVA, LLDPE, LDPE, opening agent mix, and the formation mixture that stirs, and the mass ratio of above-mentioned raw materials is: EVA:36%, LLDPE:20%, LDPE:43%, opening agent: 1%;
Secondly: with the mixture that stirs through the high temperature thermosol extruding blow and pull into film, the thermosol temperature is 160 ℃-195 ℃;
At last: film is cut into type through the hot pressing envelope makes rubber plastic film gloves, the temperature that the hot pressing envelope is cut is 145 ℃-166 ℃.
The present invention does not contain protein, effectively avoid by powder cause allergic; The line surface treatment can be arranged, the landing of utensil when deduction and exemption are used; Being regardless of right-hand man, right-hand man all can dress; Once flexible and convenient to use, can effectively prevent various infection; The tensile strength height can be avoided tearing when dressing; Have shock resistance, lear energy is strong; Smooth being convenient to of internal surface dressed; Production cost is low, performance good, be easy to acceptance, has the bigger market competitiveness.
In operation such as suitable medical of the present invention, medicine, the healthy prevention, cosmetology and the food-processing industry.
Certainly, the above only is example of the present invention, is not to limit the scope of the present invention, so all equivalences of doing according to the described structure of the present patent application claim, feature and principle change or modify, and all should be included in the present patent application claim.

Claims (2)

1, a kind of medical gloves, the raw material of making this medical gloves comprises: EVA, LLDPE, LDPE, opening agent is characterized in that: the mass ratio of described raw material is: EVA:30-45%, LLDPE:15-30%, LDPE:40-50%, opening agent: 0.8-1.2%.
2, a kind of making method of medical gloves is characterized in that: this method may further comprise the steps:
At first: make mixture, with broken mashed raw material: EVA, LLDPE, LDPE, opening agent mix, and the formation mixture that stirs, the mass ratio of above-mentioned raw materials is: 30-45%, LLDPE:15-30%, LDPE:40-50%, opening agent: 0.8-1.2%;
Secondly: with the mixture that stirs through the high temperature thermosol extruding blow and pull into film, the thermosol temperature is 160 ℃-195 ℃;
At last: film is cut into type through the hot pressing envelope makes rubber plastic film gloves, the temperature that the hot pressing envelope is cut is 145 ℃-166 ℃.
CN200810030133A 2008-08-13 2008-08-13 Medical glove and manufacturing method thereof Pending CN101649082A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200810030133A CN101649082A (en) 2008-08-13 2008-08-13 Medical glove and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200810030133A CN101649082A (en) 2008-08-13 2008-08-13 Medical glove and manufacturing method thereof

Publications (1)

Publication Number Publication Date
CN101649082A true CN101649082A (en) 2010-02-17

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CN (1) CN101649082A (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102687918A (en) * 2012-06-06 2012-09-26 山东星宇手套有限公司 Process for preparing natural crack foamed dipped gloves
CN102933107A (en) * 2010-06-16 2013-02-13 比朔夫+克莱因有限责任两合公司 disposable gloves
CN103881178A (en) * 2014-03-26 2014-06-25 世祥(惠州)塑料制品有限公司 Disposable film gloves and preparation method thereof
CN104403167A (en) * 2014-11-10 2015-03-11 苏州蔻美新材料有限公司 Medical high temperature, acid and alkali resistant film and preparation method thereof
CN105017630A (en) * 2015-06-29 2015-11-04 广东炜鸿塑料科技有限公司 Low temperature resistant plastic film, and preparation method thereof
CN106496725A (en) * 2016-09-29 2017-03-15 四川三和医用材料有限公司 A kind of yellowing-resistant medical glovess
CN106496727A (en) * 2016-09-29 2017-03-15 四川三和医用材料有限公司 A kind of wear-resisting medical glovess
CN106496724A (en) * 2016-09-29 2017-03-15 四川三和医用材料有限公司 A kind of antibacterial medical glove
CN106496723A (en) * 2016-09-29 2017-03-15 四川三和医用材料有限公司 A kind of environmental protection medical glovess
CN106496726A (en) * 2016-09-29 2017-03-15 四川三和医用材料有限公司 A kind of medical glovess
CN108059752A (en) * 2016-11-09 2018-05-22 东莞市开源塑化科技有限公司 A kind of outstanding high frequency welding film
CN112159562A (en) * 2020-09-10 2021-01-01 上海生大医保股份有限公司 PE glove film and preparation method thereof
CN116218417A (en) * 2022-12-29 2023-06-06 大连大诺印刷包装有限公司 Production process of bonding resin for metal protective film

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102933107A (en) * 2010-06-16 2013-02-13 比朔夫+克莱因有限责任两合公司 disposable gloves
CN102933107B (en) * 2010-06-16 2015-04-29 比朔夫+克莱因有限责任两合公司 Disposable glove
CN102687918A (en) * 2012-06-06 2012-09-26 山东星宇手套有限公司 Process for preparing natural crack foamed dipped gloves
CN102687918B (en) * 2012-06-06 2014-04-09 山东星宇手套有限公司 Process for preparing natural crack foamed dipped gloves
CN103881178A (en) * 2014-03-26 2014-06-25 世祥(惠州)塑料制品有限公司 Disposable film gloves and preparation method thereof
CN104403167A (en) * 2014-11-10 2015-03-11 苏州蔻美新材料有限公司 Medical high temperature, acid and alkali resistant film and preparation method thereof
CN105017630B (en) * 2015-06-29 2017-06-30 广东炜鸿塑料科技有限公司 A kind of low-temperature resistant plastic film and preparation method thereof
CN105017630A (en) * 2015-06-29 2015-11-04 广东炜鸿塑料科技有限公司 Low temperature resistant plastic film, and preparation method thereof
CN106496725A (en) * 2016-09-29 2017-03-15 四川三和医用材料有限公司 A kind of yellowing-resistant medical glovess
CN106496727A (en) * 2016-09-29 2017-03-15 四川三和医用材料有限公司 A kind of wear-resisting medical glovess
CN106496724A (en) * 2016-09-29 2017-03-15 四川三和医用材料有限公司 A kind of antibacterial medical glove
CN106496723A (en) * 2016-09-29 2017-03-15 四川三和医用材料有限公司 A kind of environmental protection medical glovess
CN106496726A (en) * 2016-09-29 2017-03-15 四川三和医用材料有限公司 A kind of medical glovess
CN108059752A (en) * 2016-11-09 2018-05-22 东莞市开源塑化科技有限公司 A kind of outstanding high frequency welding film
CN112159562A (en) * 2020-09-10 2021-01-01 上海生大医保股份有限公司 PE glove film and preparation method thereof
CN116218417A (en) * 2022-12-29 2023-06-06 大连大诺印刷包装有限公司 Production process of bonding resin for metal protective film

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Application publication date: 20100217