CN104387647A - Medical polymer material and preparation method thereof - Google Patents
Medical polymer material and preparation method thereof Download PDFInfo
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- CN104387647A CN104387647A CN201410626621.0A CN201410626621A CN104387647A CN 104387647 A CN104387647 A CN 104387647A CN 201410626621 A CN201410626621 A CN 201410626621A CN 104387647 A CN104387647 A CN 104387647A
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Materials For Medical Uses (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Medicinal Preparation (AREA)
Abstract
The invention belongs to the field of novel medical materials and discloses a medical polymer material and a preparation method thereof. The medical polymer material comprises low-density polyethylene, polyisoprene, styrene-butadiene rubber, polycarbamate, polyvinyl acetate, diisononyl phthalate, glycerin and decamethyl cyclopentasiloxane. The preparation method comprises the following steps: (1) starting a plastic high-speed mixer, weighting low-density polyethylene, polyisoprene, styrene-butadiene rubber and polycarbamate by weight and carrying out high-speed mixing; (2) feeding polyvinyl acetate, diisononyl phthalate, glycerin and decamethyl cyclopentasiloxane and carrying out high-speed mixing; and (3) extruding the uniformly mixed material in a twin-screw extruder and after the extrusion is completed, granulating to obtain the medical polymer material.
Description
Technical field
The invention belongs to medical field of new, relate to a kind of macromolecular material and preparation method thereof, particularly relate to a kind of medical macromolecular materials and preparation method thereof.
Background technology
Macromolecular material also claims polymer materials, and it is with macromolecular compound (resin) for matrix, then is equipped with the material that other additives (auxiliary agent) form.Macromolecular material comprises natural macromolecular material, as cotton, fiber crops, silk, hair etc.; By the modified polymer material of natural polymer raw material through chemical process, as viscose fiber, cellulose acetate, treated starch etc.; The synthesized polymer material synthesized by polyreaction by micromolecular compound, as acrylic resin, cis-1,4-polybutadiene rubber, acrylic coating etc.High molecular kind can carry out multiple classification according to different angles such as source, character, purposes, structures.According to the character and utilization of material, polymkeric substance can be divided into plastics, fiber, rubber, coating, tackiness agent, functional polymer, ion exchange resin etc.; Commodity polymer can be divided into as plastics, fiber, rubber, coating, tackiness agent etc. by application function classification, functional polymer is as having the polymer, polymer drug etc. of the physical functions such as photoelectromagnetism, and specific function polymer is as polycarbonate etc. that is heat-resisting, high strength.
Because medical macromolecular materials can make material have different physics and chemistry character by the control of the Nomenclature Composition and Structure of Complexes, to meet the different needs, resistance to biological aging, as long-term embedded material, there is good biologically stable and physics, mechanical property, easy machine-shaping, raw material is easy to get, and is convenient to sterilization, therefore be subject to people's common concern, become the kind that in biomaterial, purposes is the widest, consumption is maximum.
Summary of the invention
The technical problem solved: in medical field, the material of rubber gloves, bandage mostly is macromolecular material, in the use of above-mentioned product, higher standard is had to the physical strength of the macromolecular material of composition product, such as need to possess higher tensile strength and elongation at break, also need the intensity possessing certain acid and alkali-resistance, therefore the present invention proposes a kind of medical macromolecular materials and preparation method thereof.
Technical scheme: in order to improve the physical strength of the materials such as rubber gloves, the invention discloses a kind of medical macromolecular materials and preparation method thereof, and described medical macromolecular materials comprise the material of following weight parts:
Low Density Polyethylene 14-25 part,
Polyisoprene 8-17 part,
Styrene-butadiene rubber(SBR) 4-13 part,
Polyurethane(s) 3-10 part,
Polyvinyl acetate 4-8 part,
Diisononyl phthalate 0.5-3.5 part,
Glycerine 4-9 part,
Decamethylcyclopentaandoxane 2-4 part.
Described a kind of medical macromolecular materials, comprise the material of following weight parts:
Low Density Polyethylene 18-22 part,
Polyisoprene 10-15 part,
Styrene-butadiene rubber(SBR) 6-10 part,
Polyurethane(s) 5-8 part,
Polyvinyl acetate 5-7 part,
Diisononyl phthalate 1.5-3 part,
Glycerine 5-7 part,
Decamethylcyclopentaandoxane 3-4 part.
Described a kind of medical macromolecular materials, comprise the material of following weight parts:
Low Density Polyethylene 20 parts,
Polyisoprene 12 parts,
8 parts, styrene-butadiene rubber(SBR),
Polyurethane(s) 7 parts,
Polyvinyl acetate 6 parts,
Diisononyl phthalate 2 parts,
Glycerine 6 parts,
Decamethylcyclopentaandoxane 3 parts.
A preparation method for medical macromolecular materials, comprises the following steps:
(1) plastic high-speed mixer is opened, get that Low Density Polyethylene is 14-25 part, polyisoprene is 8-17 part, styrene-butadiene rubber(SBR) is 4-13 part, polyurethane(s) is 3-10 part by weight, carry out high-speed mixing, plastic high-speed mixer rotating speed is 20-50r/min, mixing 30min;
(2) in plastic high-speed mixer, drop into that polyvinyl acetate is 4-8 part, diisononyl phthalate is 0.5-3.5 part again,
Glycerine is 4-9 part, decamethylcyclopentaandoxane is 2-4 part, then carries out high-speed mixing, and rotating speed is 20-50r/min;
(3) material after mixing is carried out twin-screw extruder, twin-screw extruder temperature range is respectively: the first district temperature 120-130 DEG C, second district's temperature is 145-155 DEG C, 3rd district's temperature is 160-175 DEG C, 4th district's temperature is 180-185 DEG C, 5th district's temperature is 190-205 DEG C, and granulation after extruding is medical macromolecular materials.
Further, the preparation method of described a kind of medical macromolecular materials, wherein Low Density Polyethylene is 18-22 part, polyisoprene is 10-15 part, styrene-butadiene rubber(SBR) is 6-10 part, polyurethane(s) is 5-8 part, polyvinyl acetate is 5-7 part, diisononyl phthalate is 1.5-3 part, glycerine is 5-7 part, decamethylcyclopentaandoxane is 3-4 part.
Further, the preparation method of described a kind of medical macromolecular materials, wherein Low Density Polyethylene is 20 parts, polyisoprene is 12 parts, styrene-butadiene rubber(SBR) is 8 parts, polyurethane(s) is 7 parts, polyvinyl acetate is 6 parts, diisononyl phthalate is 2 parts, glycerine is 6 parts, decamethylcyclopentaandoxane is 3 parts.
The preparation method of described a kind of medical macromolecular materials, in the preparation method of described medical macromolecular materials, twin-screw extruder temperature range is respectively: first district's temperature 125 DEG C, second district's temperature is 150 DEG C, 3rd district's temperature is 170 DEG C, 4th district's temperature is 182 DEG C, and the 5th district's temperature is 195 DEG C.
In the preparation method of described a kind of medical macromolecular materials, plastic high-speed mixer rotating speed is 30r/min.
Beneficial effect: medical macromolecular materials of the present invention possess comparatively excellent tensile strength and elongation at break, when Low Density Polyethylene in medical macromolecular materials be 20 parts, polyisoprene is 12 parts, styrene-butadiene rubber(SBR) is 8 parts, polyurethane(s) is 7 parts, polyvinyl acetate is 6 parts, diisononyl phthalate is 2 parts, glycerine is 6 parts, decamethylcyclopentaandoxane is 3 parts time, the tensile strength of the material that extruder grain obtains and elongation at break the highest.Can be used as macromolecular material for the preparation of medical gloves, bandage etc.
Embodiment
Embodiment 1
(1) open plastic high-speed mixer, get that Low Density Polyethylene is 25Kg, polyisoprene is 17Kg, styrene-butadiene rubber(SBR) is 4Kg, polyurethane(s) is 10Kg by weight, carry out high-speed mixing, plastic high-speed mixer rotating speed is 50r/min, mixing 30min; (2) in plastic high-speed mixer, drop into that polyvinyl acetate is 8Kg, diisononyl phthalate is 0.5Kg, glycerine is 4Kg, decamethylcyclopentaandoxane is 4Kg again, then carry out high-speed mixing, rotating speed is 50r/min; (3) material after mixing is carried out twin-screw extruder, twin-screw extruder temperature range is respectively: first district's temperature 120 DEG C, second district's temperature is 155 DEG C, 3rd district's temperature is 160 DEG C, 4th district's temperature is 185 DEG C, 5th district's temperature is 205 DEG C, and granulation after extruding is medical macromolecular materials.
The tensile strength of the medical macromolecular materials of embodiment 1 is 65.3MPa, and elongation at break is 294%.
Embodiment 2
(1) open plastic high-speed mixer, get that Low Density Polyethylene is 14Kg, polyisoprene is 8Kg, styrene-butadiene rubber(SBR) is 13Kg, polyurethane(s) is 3Kg by weight, carry out high-speed mixing, plastic high-speed mixer rotating speed is 20r/min, mixing 30min; (2) in plastic high-speed mixer, drop into that polyvinyl acetate is 4Kg, diisononyl phthalate is 3.5Kg, glycerine is 9Kg, decamethylcyclopentaandoxane is 2Kg again, then carry out high-speed mixing, rotating speed is 20r/min; (3) material after mixing is carried out twin-screw extruder, twin-screw extruder temperature range is respectively: first district's temperature 130 DEG C, second district's temperature is 145 DEG C, 3rd district's temperature is 175 DEG C, 4th district's temperature is 180 DEG C, 5th district's temperature is 190 DEG C, and granulation after extruding is medical macromolecular materials.
The tensile strength of the medical macromolecular materials of embodiment 2 is 69.3MPa, and elongation at break is 290%.
Embodiment 3
(1) open plastic high-speed mixer, get that Low Density Polyethylene is 18Kg, polyisoprene is 10Kg, styrene-butadiene rubber(SBR) is 6Kg, polyurethane(s) is 5Kg by weight, carry out high-speed mixing, plastic high-speed mixer rotating speed is 50r/min, mixing 30min; (2) in plastic high-speed mixer, drop into that polyvinyl acetate is 7Kg, diisononyl phthalate is 1.5Kg, glycerine is 5Kg, decamethylcyclopentaandoxane is 4Kg again, then carry out high-speed mixing, rotating speed is 50r/min; (3) material after mixing is carried out twin-screw extruder, twin-screw extruder temperature range is respectively: first district's temperature 120 DEG C, second district's temperature is 145 DEG C, 3rd district's temperature is 160 DEG C, 4th district's temperature is 185 DEG C, 5th district's temperature is 205 DEG C, and granulation after extruding is medical macromolecular materials.
The tensile strength of the medical macromolecular materials of embodiment 3 is 77.4MPa, and elongation at break is 315%.
Embodiment 4
(1) open plastic high-speed mixer, get that Low Density Polyethylene is 22Kg, polyisoprene is 15Kg, styrene-butadiene rubber(SBR) is 10Kg, polyurethane(s) is 8Kg by weight, carry out high-speed mixing, plastic high-speed mixer rotating speed is 20r/min, mixing 30min; (2) in plastic high-speed mixer, drop into that polyvinyl acetate is 5Kg, diisononyl phthalate is 3Kg, glycerine is 7Kg, decamethylcyclopentaandoxane is 3Kg again, then carry out high-speed mixing, rotating speed is 50r/min; (3) material after mixing is carried out twin-screw extruder, twin-screw extruder temperature range is respectively: first district's temperature 130 DEG C, second district's temperature is 155 DEG C, 3rd district's temperature is 175 DEG C, 4th district's temperature is 180 DEG C, 5th district's temperature is 190 DEG C, and granulation after extruding is medical macromolecular materials.
The tensile strength of the medical macromolecular materials of embodiment 4 is 79.1MPa, and elongation at break is 309%.
Embodiment 5
(1) open plastic high-speed mixer, get that Low Density Polyethylene is 20Kg, polyisoprene is 12Kg, styrene-butadiene rubber(SBR) is 8Kg, polyurethane(s) is 7Kg by weight, carry out high-speed mixing, plastic high-speed mixer rotating speed is 30r/min, mixing 30min; (2) in plastic high-speed mixer, drop into that polyvinyl acetate is 6Kg, diisononyl phthalate is 2Kg, glycerine is 6Kg, decamethylcyclopentaandoxane is 3Kg again, then carry out high-speed mixing, rotating speed is 30r/min; (3) material after mixing is carried out twin-screw extruder, twin-screw extruder temperature range is respectively: first district's temperature 125 DEG C, second district's temperature is 150 DEG C, 3rd district's temperature is 170 DEG C, 4th district's temperature is 182 DEG C, 5th district's temperature is 195 DEG C, and granulation after extruding is medical macromolecular materials.
The tensile strength of the medical macromolecular materials of embodiment 5 is 84.7MPa, and elongation at break is 334%.
Comparative example
(1) open plastic high-speed mixer, get that Low Density Polyethylene is 25Kg, polyisoprene is 17Kg, styrene-butadiene rubber(SBR) is 4Kg by weight, carry out high-speed mixing, plastic high-speed mixer rotating speed is 50r/min, mixing 30min; (2) material after mixing is carried out twin-screw extruder, twin-screw extruder temperature range is respectively: first district's temperature 120 DEG C, second district's temperature is 155 DEG C, 3rd district's temperature is 160 DEG C, 4th district's temperature is 185 DEG C, 5th district's temperature is 205 DEG C, and granulation after extruding is medical macromolecular materials.
The tensile strength of the medical macromolecular materials of comparative example is 37.1MPa, and elongation at break is 255%.
Claims (8)
1. medical macromolecular materials, is characterized in that, described medical macromolecular materials comprise the material of following weight parts:
Low Density Polyethylene 14-25 part,
Polyisoprene 8-17 part,
Styrene-butadiene rubber(SBR) 4-13 part,
Polyurethane(s) 3-10 part,
Polyvinyl acetate 4-8 part,
Diisononyl phthalate 0.5-3.5 part,
Glycerine 4-9 part,
Decamethylcyclopentaandoxane 2-4 part.
2. a kind of medical macromolecular materials according to claim 1, is characterized in that, described medical macromolecular materials comprise the material of following weight parts:
Low Density Polyethylene 18-22 part,
Polyisoprene 10-15 part,
Styrene-butadiene rubber(SBR) 6-10 part,
Polyurethane(s) 5-8 part,
Polyvinyl acetate 5-7 part,
Diisononyl phthalate 1.5-3 part,
Glycerine 5-7 part,
Decamethylcyclopentaandoxane 3-4 part.
3. a kind of medical macromolecular materials according to claim 1, is characterized in that, described medical macromolecular materials comprise the material of following weight parts:
Low Density Polyethylene 20 parts,
Polyisoprene 12 parts,
8 parts, styrene-butadiene rubber(SBR),
Polyurethane(s) 7 parts,
Polyvinyl acetate 6 parts,
Diisononyl phthalate 2 parts,
Glycerine 6 parts,
Decamethylcyclopentaandoxane 3 parts.
4. a preparation method for medical macromolecular materials, is characterized in that the preparation method of described medical macromolecular materials comprises the following steps:
(1) plastic high-speed mixer is opened, get that Low Density Polyethylene is 14-25 part, polyisoprene is 8-17 part, styrene-butadiene rubber(SBR) is 4-13 part, polyurethane(s) is 3-10 part by weight, carry out high-speed mixing, plastic high-speed mixer rotating speed is 20-50r/min, mixing 30min;
(2) in plastic high-speed mixer, drop into that polyvinyl acetate is 4-8 part, diisononyl phthalate is 0.5-3.5 part again,
Glycerine is 4-9 part, decamethylcyclopentaandoxane is 2-4 part, then carries out high-speed mixing, and rotating speed is 20-50r/min;
(3) material after mixing is carried out twin-screw extruder, twin-screw extruder temperature range is respectively: the first district temperature 120-130 DEG C, second district's temperature is 145-155 DEG C, 3rd district's temperature is 160-175 DEG C, 4th district's temperature is 180-185 DEG C, 5th district's temperature is 190-205 DEG C, and granulation after extruding is medical macromolecular materials.
5. the preparation method of a kind of medical macromolecular materials according to claim 4, is characterized in that in the preparation method of described medical macromolecular materials, Low Density Polyethylene is 18-22 part, polyisoprene is 10-15 part, styrene-butadiene rubber(SBR) is 6-10 part, polyurethane(s) is 5-8 part, polyvinyl acetate is 5-7 part, diisononyl phthalate is 1.5-3 part, glycerine is 5-7 part, decamethylcyclopentaandoxane is 3-4 part.
6. the preparation method of a kind of medical macromolecular materials according to claim 4, is characterized in that in the preparation method of described medical macromolecular materials, Low Density Polyethylene is 20 parts, polyisoprene is 12 parts, styrene-butadiene rubber(SBR) is 8 parts, polyurethane(s) is 7 parts, polyvinyl acetate is 6 parts, diisononyl phthalate is 2 parts, glycerine is 6 parts, decamethylcyclopentaandoxane is 3 parts.
7. the preparation method of a kind of medical macromolecular materials according to claim 4, it is characterized in that in the preparation method of described medical macromolecular materials, twin-screw extruder temperature range is respectively: first district's temperature 125 DEG C, second district's temperature is 150 DEG C, 3rd district's temperature is 170 DEG C, 4th district's temperature is 182 DEG C, and the 5th district's temperature is 195 DEG C.
8. the preparation method of a kind of medical macromolecular materials according to claim 4, is characterized in that in the preparation method of described medical macromolecular materials, plastic high-speed mixer rotating speed is 30r/min.
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104927284A (en) * | 2015-06-10 | 2015-09-23 | 苏州佑君环境科技有限公司 | Medical glove and preparation method thereof |
| CN104945706A (en) * | 2015-05-29 | 2015-09-30 | 苏州乔纳森新材料科技有限公司 | Medical rubber plug and production method thereof |
| CN105885182A (en) * | 2016-07-01 | 2016-08-24 | 赵艳丽 | Medical biological polymer degradable material and preparation method thereof |
| DE102015215327A1 (en) * | 2015-08-11 | 2017-02-16 | Continental Reifen Deutschland Gmbh | Rubber compound and vehicle tires |
| 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 |
| 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 |
| CN106496772A (en) * | 2016-09-29 | 2017-03-15 | 四川三和医用材料有限公司 | A kind of high tenacity 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 |
| 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 |
| CN107446214A (en) * | 2017-08-29 | 2017-12-08 | 南通成山高分子材料有限公司 | A kind of preparation method of medical macromolecular materials |
| CN107474362A (en) * | 2017-08-29 | 2017-12-15 | 南通成山高分子材料有限公司 | A kind of medical macromolecular materials |
| CN107787342A (en) * | 2015-04-27 | 2018-03-09 | 密执安州立大学董事会 | Durability dredges ice surface |
| CN113214568A (en) * | 2021-04-30 | 2021-08-06 | 慈溪宇久电器有限公司 | Modified plastic for extension socket and preparation method thereof |
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| CN104945706A (en) * | 2015-05-29 | 2015-09-30 | 苏州乔纳森新材料科技有限公司 | Medical rubber plug and production method thereof |
| CN104927284A (en) * | 2015-06-10 | 2015-09-23 | 苏州佑君环境科技有限公司 | Medical glove and preparation method thereof |
| DE102015215327A1 (en) * | 2015-08-11 | 2017-02-16 | Continental Reifen Deutschland Gmbh | Rubber compound and vehicle tires |
| CN105885182A (en) * | 2016-07-01 | 2016-08-24 | 赵艳丽 | Medical biological polymer degradable material and preparation method thereof |
| 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 |
| 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 |
| CN106496772A (en) * | 2016-09-29 | 2017-03-15 | 四川三和医用材料有限公司 | A kind of high tenacity 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 |
| 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 |
| 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 |
| CN107446214A (en) * | 2017-08-29 | 2017-12-08 | 南通成山高分子材料有限公司 | A kind of preparation method of medical macromolecular materials |
| CN107474362A (en) * | 2017-08-29 | 2017-12-15 | 南通成山高分子材料有限公司 | A kind of medical macromolecular materials |
| CN113214568A (en) * | 2021-04-30 | 2021-08-06 | 慈溪宇久电器有限公司 | Modified plastic for extension socket and preparation method thereof |
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