CN108047605B - Cold-resistant PVC gloves and preparation method thereof - Google Patents
Cold-resistant PVC gloves and preparation method thereof Download PDFInfo
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- CN108047605B CN108047605B CN201711447584.7A CN201711447584A CN108047605B CN 108047605 B CN108047605 B CN 108047605B CN 201711447584 A CN201711447584 A CN 201711447584A CN 108047605 B CN108047605 B CN 108047605B
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/14—Dipping a core
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use 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; Derivatives of such polymers
- C08J2327/02—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
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Abstract
The invention belongs to the field of plastic glove production, and particularly relates to a cold-resistant PVC glove and a preparation method thereof, wherein the cold-resistant PVC glove comprises the following raw materials in parts by weight: 70-85 parts of PVC resin, 10-25 parts of CPE (chlorinated polyethylene), 5-10 parts of modified vinyl chloride-vinyl acetate copolymer, 40-55 parts of DOTP (DOTP), 30-45 parts of cold-resistant plasticizer, 1-1.5 parts of stabilizer and 20-35 parts of viscosity reducer. Compared with the common PVC gloves, the gloves disclosed by the invention have excellent cold resistance, can still keep the softness of the gloves in a low-temperature environment, are suitable for people who contact low-temperature objects or work in a low-temperature environment, are formed by dipping, are simple in production process and low in cost, fill the blank in the field of cold-resistant PVC gloves, and have strong market competitiveness.
Description
Technical Field
The invention belongs to the field of plastic glove production, and particularly relates to a cold-resistant PVC glove and a preparation method thereof.
Background
PVC has been the most widely used plastic in world, and is widely used in various fields such as building materials, floor leathers, pipes, packaging films, foaming materials and the like. Among them, the PVC gloves occupy most of market share due to the advantages of low allergy, low cost, corrosion resistance, good chemical stability and the like.
PVC is white powder with an amorphous structure, the branching degree is small, the glass transition temperature is 77-90 ℃, resin molecules are combined together by strong van der Waals force, the rigidity is strong, the flexibility is insufficient, and the PVC resin is difficult to process. In order to solve the problems, a plasticizer is required to be introduced in the PVC processing process, and can be filled among PVC macromolecules, so that the molecules can move easily, the crystallinity of polymer molecular chains is reduced, the plasticity, flexibility and flexibility of PVC resin are improved, the hardness, modulus and glass transition temperature are reduced, and the PVC product can be conveniently processed and molded.
However, after the common PVC gloves are processed and molded, the glass transition temperature is still very high, so that the gloves are very hard at low temperature, have poor hand feeling and are difficult to perform precise operation. Therefore, it is of great importance to develop a cold-resistant glove which is still soft and elastic in a low-temperature environment.
Disclosure of Invention
The invention aims to solve the technical problem of developing a cold-resistant PVC glove, and the specific technical scheme is as follows:
the cold-resistant PVC gloves comprise the following raw materials in parts by weight: 70-85 parts of PVC resin; 10-25 parts of CPE; 5-10 parts of modified vinyl chloride-vinyl acetate copolymer; 40-55 parts of DOTP (dioctyl terephthalate); 30-45 parts of a cold-resistant plasticizer; 1-1.5 parts of a stabilizer; 20-35 parts of a viscosity reducer.
The CPE is chlorinated polyethylene with 25% -45% of chlorine content. The chlorinated polyethylene is a saturated high polymer material, is white powder in appearance, is nontoxic and tasteless, has excellent weather resistance, ozone resistance, chemical medicine resistance and aging resistance, and has good oil resistance, flame retardance and coloring performance. Good toughness (flexibility at minus 30 ℃), good compatibility with other high polymer materials and higher decomposition temperature. The content of chlorine in the chlorinated polyethylene greatly affects the performance of the chlorinated polyethylene, and the crystallinity of the polyethylene is destroyed along with the substitution of the chlorine, so that the glass transition temperature is reduced, but the glass transition temperature is increased after the chlorine content exceeds a certain value. Chlorinated polyethylene with 25-45% of chlorine content is a special rubber with heat resistance, weather resistance and flame resistance. Chlorinated polyethylene with chlorine content over 45% is a white uniform particulate amorphous solid. Through a comparison experiment, chlorinated polyethylene with 25-45% of chlorine content is preferred.
The modified vinyl chloride-vinyl acetate copolymer is a terpolymer of vinyl chloride, vinyl acetate and vinyl alcohol. The performance of the vinyl chloride-vinyl acetate copolymer is determined by the proportion of two monomers under the condition of the same molecular weight, the vinyl acetate content is increased, the softening point is reduced, the product is easy to form, and the service life is prolonged. The vinyl acetate content is more than 13% when the polyvinyl acetate is widely applied. The vinyl acetate plays a role in internal plasticization in the copolymer, and can plasticize PVC resin, so that the product has good fluidity and is convenient to process. The addition of the modified vinyl chloride-vinyl acetate copolymer can reduce the glass transition temperature of the PVC resin, so that the product has excellent cold resistance. Vinyl chloride is preferred for combined cost and performance considerations: vinyl acetate: vinyl alcohol-82: 13:5 vinyl chloride-vinyl acetate copolymer.
The cold-resistant plasticizer is one or a mixture of more of dioctyl adipate, dioctyl sebacate and dioctyl azelate. Some plasticizers having low viscosity and low viscosity coefficient, which are capable of lowering the glass transition temperature of the polymer due to their low glass transition temperature, are generally referred to as cold-resistant plasticizers. Aliphatic dibasic acid esters are relatively common cold-resistant plasticizers, and mainly comprise dioctyl adipate, dioctyl sebacate, dioctyl azelate and the like.
Preferably, the stabilizer is a liquid calcium zinc stabilizer, and the liquid calcium zinc stabilizer is one or more of virgin plastic F99, south Asia 40P/46P or a normally mature calcium zinc stabilizer SBA-203.
Preferably, the viscosity reducer is Nanjing Yongshun D70.
The invention also discloses a preparation method of the cold-resistant PVC gloves, which adopts the following technical scheme:
the preparation method of any cold-resistant PVC glove comprises the following process steps:
(1) adding CPE, modified vinyl chloride-vinyl acetate copolymer (vinyl chloride-vinyl acetate copolymer), DOTP, cold-resistant plasticizer and stabilizer into a stirring tank, stirring for 3-4 hours at 40-50 ℃, adding PVC resin powder after CPE and modified vinyl chloride-vinyl acetate copolymer are completely dissolved in the plasticizer, continuing stirring for 4-5 hours, adding viscosity reducer after stirring, and carrying out vacuum defoaming at room temperature to obtain paste;
(2) preheating a hand mould to 60-68 ℃, soaking the paste, dripping for 1-2 minutes, and plasticizing in an oven at 190 +/-5 ℃ for 5.5 +/-0.2 minutes;
(3) and (3) after the hand mold is cooled to 85-90 ℃, soaking the polyurethane slurry, passing through an oven at 135 +/-5 ℃ for 2-3 minutes, drying water, cooling to 80-90 ℃, curling and demolding to obtain a finished product.
The invention has the advantages of
According to the cold-resistant PVC gloves disclosed by the invention, chlorinated polyethylene and modified vinyl chloride-vinyl acetate copolymer which are used for reducing the vitrification temperature of PVC resin are introduced, and a cold-resistant plasticizer is used, so that the cold-resistant gloves have excellent cold resistance compared with disposable PVC gloves in the prior art, and the flexibility of the gloves can be still maintained in a low-temperature environment. The cold-resistant PVC gloves disclosed by the invention are suitable for people who contact low-temperature objects or work in a low-temperature environment. The preparation method of the cold-resistant PVC gloves disclosed by the invention is formed by dipping, the production process is simple, the cost is low, the blank in the field of cold-resistant PVC gloves is filled, and the cold-resistant PVC gloves have strong market competitiveness.
Detailed Description
The invention is further described below with reference to specific embodiments.
Example 1
The cold-resistant PVC gloves comprise the following raw materials in parts by weight:
the CPE is chlorinated polyethylene with 25% -45% of chlorine content; the modified vinyl chloride-vinyl acetate copolymer is a terpolymer of vinyl chloride, vinyl acetate and vinyl alcohol, and the monomer content ratio of the terpolymer of the modified vinyl chloride-vinyl acetate copolymer is as follows: vinyl acetate: vinyl alcohol 82:13: 5. The cold-resistant plasticizer is a mixture of dioctyl adipate and dioctyl sebacate. The liquid calcium-zinc stabilizer is virgin plastic F99, and the viscosity reducer is Nanjing Yongshun D70.
The preparation method of the cold-resistant PVC gloves comprises the following steps: adding CPE, the modified vinyl chloride-vinyl acetate copolymer, DOTP, a cold-resistant plasticizer and a stabilizer into a stirring tank according to the proportion, stirring for 3 hours at 50 ℃, adding PVC resin powder after CPE and the modified vinyl chloride-vinyl acetate copolymer are completely dissolved in the plasticizer, continuing stirring for 5 hours, adding a viscosity reducer after stirring, and defoaming in vacuum to obtain the paste. Preheating the hand mould to 60 ℃, dipping the paste, dripping for 1 minute, and plasticizing in an oven at 190 +/-5 ℃ for 5.5 +/-0.2 minutes. After the hand mould is cooled to 80 ℃, the polyurethane slurry is soaked, and the hand mould is dried for 2 minutes in an oven with the temperature of 135 +/-5 ℃. After cooling, the finished product is obtained by crimping and demoulding.
Example 2
The cold-resistant PVC gloves comprise the following raw materials in parts by weight:
the CPE is chlorinated polyethylene with 25% -45% of chlorine content; the modified vinyl chloride-vinyl acetate copolymer is a terpolymer of vinyl chloride, vinyl acetate and vinyl alcohol, and the monomer content ratio of the terpolymer of the modified vinyl chloride-vinyl acetate copolymer is as follows: vinyl acetate: vinyl alcohol 82:13: 5. The cold-resistant plasticizer is a mixture of dioctyl adipate and dioctyl azelate. The liquid calcium-zinc stabilizer is virgin plastic F99 and south Asia 40P/46P, and the viscosity reducer is Nanjing Yongshun D70.
The preparation method of the cold-resistant PVC gloves comprises the following steps: adding CPE, the modified vinyl chloride-vinyl acetate copolymer, DOTP, a cold-resistant plasticizer and a stabilizer into a stirring tank according to the proportion, stirring for 3 hours at 50 ℃, adding PVC resin powder after CPE and the modified vinyl chloride-vinyl acetate copolymer are completely dissolved in the plasticizer, continuing stirring for 5 hours, adding a viscosity reducer after stirring, and defoaming in vacuum to obtain the paste. Preheating the hand mould to 60 ℃, dipping the paste, dripping for 1 minute, and plasticizing in an oven at 190 +/-5 ℃ for 5.5 +/-0.2 minutes. After the hand mould is cooled to 80 ℃, the polyurethane slurry is soaked, and the hand mould is dried for 2 minutes in an oven with the temperature of 135 +/-5 ℃. After cooling, the finished product is obtained by crimping and demoulding.
Example 3
The cold-resistant PVC gloves comprise the following raw materials in parts by weight:
the CPE is chlorinated polyethylene with 25% -45% of chlorine content; the modified vinyl chloride-vinyl acetate copolymer is a terpolymer of vinyl chloride, vinyl acetate and vinyl alcohol, and the monomer content ratio of the terpolymer of the modified vinyl chloride-vinyl acetate copolymer is as follows: vinyl acetate: vinyl alcohol 82:13: 5. The cold-resistant plasticizer is a mixture of dioctyl adipate, dioctyl sebacate and dioctyl azelate. The liquid calcium-zinc stabilizer is virgin plastic F99 and a normal-boiled calcium-zinc stabilizer SBA-203, and the viscosity reducer is Nanjing Yongshun D70.
The preparation method of the cold-resistant PVC gloves comprises the following steps: adding CPE, the modified vinyl chloride-vinyl acetate copolymer, DOTP, a cold-resistant plasticizer and a stabilizer into a stirring tank according to the proportion, stirring for 3 hours at 50 ℃, adding PVC resin powder after CPE and the modified vinyl chloride-vinyl acetate copolymer are completely dissolved in the plasticizer, continuing stirring for 5 hours, adding a viscosity reducer after stirring, and defoaming in vacuum to obtain the paste. Preheating the hand mould to 60 ℃, dipping the paste, dripping for 1 minute, and plasticizing in an oven at 190 +/-5 ℃ for 5.5 +/-0.2 minutes. After the hand mould is cooled to 80 ℃, the polyurethane slurry is soaked, and the hand mould is dried for 2 minutes in an oven with the temperature of 135 +/-5 ℃. After cooling, the finished product is obtained by crimping and demoulding.
Example 4
The cold-resistant PVC gloves comprise the following raw materials in parts by weight:
the preparation method of the cold-resistant PVC gloves comprises the following steps: adding CPE, DOTP, cold-resistant plasticizer and stabilizer into a stirring tank according to the proportion, stirring for 3 hours at 50 ℃, adding PVC resin powder after CPE is completely dissolved in the plasticizer, continuing stirring for 5 hours, adding viscosity reducer after stirring, defoaming in vacuum, and preparing slurry. Preheating the hand mould to 60 ℃, dipping the paste, dripping for 1 minute, and plasticizing in an oven at 190 +/-5 ℃ for 5.5 +/-0.2 minutes. After the hand mould is cooled to 80 ℃, the polyurethane slurry is soaked, and the hand mould is dried for 2 minutes in an oven with the temperature of 135 +/-5 ℃. After cooling, the finished product is obtained by crimping and demoulding.
Example 5
The cold-resistant PVC gloves comprise the following raw materials in parts by weight:
the preparation method of the cold-resistant PVC gloves comprises the following steps: adding the modified vinyl chloride-vinyl acetate copolymer, DOTP, the cold-resistant plasticizer and the stabilizer into a stirring tank according to the proportion, stirring for 3 hours at 50 ℃, adding PVC resin powder after the modified vinyl chloride-vinyl acetate copolymer is completely dissolved in the plasticizer, continuing stirring for 5 hours, adding the viscosity reducer after stirring, defoaming in vacuum, and preparing the slurry. Preheating the hand mould to 60 ℃, dipping the paste, dripping for 1 minute, and plasticizing in an oven at 190 +/-5 ℃ for 5.5 +/-0.2 minutes. After the hand mould is cooled to 80 ℃, the polyurethane slurry is soaked, and the hand mould is dried for 2 minutes in an oven with the temperature of 135 +/-5 ℃. After cooling, the finished product is obtained by crimping and demoulding.
Example 6
The cold-resistant PVC gloves comprise the following raw materials in parts by weight:
the preparation method of the cold-resistant PVC gloves comprises the following steps: adding CPE, modified vinyl chloride-vinyl acetate copolymer (DOTP) and a stabilizer into a stirring tank according to the proportion, stirring for 3 hours at 50 ℃, adding PVC resin powder after CPE and the modified vinyl chloride-vinyl acetate copolymer are completely dissolved in a plasticizer, continuously stirring for 5 hours, adding a viscosity reducer after stirring, defoaming in vacuum, and preparing slurry. Preheating the hand mould to 60 ℃, dipping the paste, dripping for 1 minute, and plasticizing in an oven at 190 +/-5 ℃ for 5.5 +/-0.2 minutes. After the hand mould is cooled to 80 ℃, the polyurethane slurry is soaked, and the hand mould is dried for 2 minutes in an oven with the temperature of 135 +/-5 ℃. After cooling, the finished product is obtained by crimping and demoulding.
Comparative example 1
The raw materials are mixed according to the following weight ratio:
and adding the PVC resin powder, the DOTP and the stabilizer into a stirring tank according to the proportion, stirring for 5 hours, adding the viscosity reducer after stirring, defoaming in vacuum, and preparing the slurry. Preheating the hand mould to 60 ℃, dipping the paste, dripping for 1 minute, and plasticizing in an oven at 190 +/-5 ℃ for 5.5 +/-0.2 minutes. After the hand mould is cooled to 80 ℃, the polyurethane slurry is soaked, and the hand mould is dried for 2 minutes in an oven with the temperature of 135 +/-5 ℃. After cooling, the finished product is obtained by crimping and demoulding.
Samples of 5 uniform grammage and thickness in examples 1 to 6 and comparative example 1 were randomly sampled, and the glass transition temperature Tg was measured by dilatometer method, and the results are shown in Table 1:
TABLE 1 glass transition temperature test results
The experimental results show that the PVC gloves have the advantages of obviously reduced glass transition temperature and excellent cold resistance. The addition of the modified vinyl chloride-vinyl acetate copolymer and CPE can reduce the glass transition temperature of the PVC gloves and improve the cold resistance of the PVC gloves. Compared with the common DOTP plasticizer, the cold-resistant plasticizer can also improve the cold resistance of the PVC gloves.
Claims (1)
1. The cold-resistant PVC gloves are characterized by comprising the following raw materials in parts by weight: 85 parts of PVC resin, 25 parts of CPE (chlorinated polyethylene), 5 parts of modified vinyl chloride-vinyl acetate copolymer, 55 parts of DOTP (polyvinyl chloride-vinyl acetate copolymer), 45 parts of cold-resistant plasticizer, 1.5 parts of stabilizer and 35 parts of viscosity reducer;
the CPE is chlorinated polyethylene with 25% -45% of chlorine content; the modified vinyl chloride-vinyl acetate copolymer is a terpolymer of vinyl chloride, vinyl acetate and vinyl alcohol, and the monomer content ratio of the terpolymer of the modified vinyl chloride-vinyl acetate copolymer is as follows: vinyl acetate: vinyl alcohol 82:13: 5; the cold-resistant plasticizer is a mixture of dioctyl adipate, dioctyl sebacate and dioctyl azelate; the stabilizer is a liquid calcium-zinc stabilizer, the liquid calcium-zinc stabilizer is virgin plastic F99 and a normally-boiled calcium-zinc stabilizer SBA-203, and the viscosity reducer is Nanjing Yongshun D70;
the preparation method of the cold-resistant PVC gloves comprises the following steps: adding CPE, modified vinyl chloride-vinyl acetate copolymer (vinyl chloride-vinyl acetate copolymer), DOTP, a cold-resistant plasticizer and a stabilizer into a stirring tank according to the proportion, stirring for 3 hours at 50 ℃, adding PVC resin powder after CPE and the modified vinyl chloride-vinyl acetate copolymer are completely dissolved in the plasticizer, continuing stirring for 5 hours, adding a viscosity reducer after stirring is finished, and defoaming in vacuum to obtain a paste;
preheating a hand mould to 60 ℃, soaking the paste, dripping for 1 minute, and plasticizing in an oven at 190 +/-5 ℃ for 5.5 +/-0.2 minutes;
and (3) after the hand mold is cooled to 80 ℃, soaking the polyurethane slurry, drying the polyurethane slurry in an oven at 135 +/-5 ℃ for 2 minutes, cooling, curling and demolding to obtain a finished product.
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| CN108587000A (en) * | 2018-05-23 | 2018-09-28 | 山东英科医疗制品有限公司 | A kind of lavender purple PVC resists cold high-elastic gloves and preparation method thereof |
| CN108892885A (en) * | 2018-05-23 | 2018-11-27 | 山东英科医疗制品有限公司 | A kind of high-elastic gloves of oriental cherry powde PVC and preparation method thereof |
| CN111909473B (en) * | 2020-08-17 | 2022-03-18 | 德州恒昌医疗科技有限公司 | Extremely low-precipitation high-elasticity PVC glove composition and method for preparing gloves |
| CN112175324A (en) * | 2020-10-12 | 2021-01-05 | 天长市恒生医疗器械有限公司 | High-strength low-temperature-resistant PVC (polyvinyl chloride) glove and preparation method thereof |
| CN112226014B (en) * | 2020-10-13 | 2023-05-09 | 安徽和佳医疗用品科技有限公司 | Soft high-elastic PVC glove and preparation method thereof |
| CN112280220A (en) * | 2020-11-13 | 2021-01-29 | 天长市恒生医疗器械有限公司 | Antibacterial PVC (polyvinyl chloride) insulating gloves and preparation method thereof |
| CN115316732B (en) * | 2022-10-13 | 2023-01-31 | 山东恒昌医疗科技股份有限公司 | Moisture-absorbing and sweat-releasing PVC gloves and preparation method thereof |
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| CN101824193B (en) * | 2010-02-24 | 2013-01-30 | 杭州高新橡塑材料股份有限公司 | Cold-resistant PVC cable material and preparation method thereof |
| CN106147079B (en) * | 2016-07-30 | 2018-01-30 | 山东蓝帆新材料有限公司 | Soft highly-elastic PVC glove |
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