CN108587000A - A kind of lavender purple PVC resists cold high-elastic gloves and preparation method thereof - Google Patents
A kind of lavender purple PVC resists cold high-elastic gloves and preparation method thereof Download PDFInfo
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- CN108587000A CN108587000A CN201810500844.0A CN201810500844A CN108587000A CN 108587000 A CN108587000 A CN 108587000A CN 201810500844 A CN201810500844 A CN 201810500844A CN 108587000 A CN108587000 A CN 108587000A
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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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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D19/00—Gloves
- A41D19/0055—Plastic or rubber gloves
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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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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Gloves (AREA)
Abstract
It resists cold high-elastic gloves and preparation method thereof the invention discloses a kind of lavender purple PVC, including following raw material:70~90 parts of PVC paste resin, 10~30 parts of vinyl chloride-vinyl acetate resin, 0.8~1.5 part of calcium zinc stabilizer, without 45~55 parts of benzene plasticiser, 15~25 parts of cold resistant plasticizer, cold-resistant toughened dose 10~20 parts of macromolecule, 0.8~1.2 part of liquid butyronitrile, 0.08~0.15 part of crosslinking agent, 18~25 parts of thinner, blue 0.015~0.04 part of cream, 0.02~0.05 part of purple cream, white 0.5~2.5 part of cream.Cold-resistant toughened dose of no benzene plasticiser, cold resistant plasticizer, macromolecule, liquid butyronitrile, crosslinking agent are weighed, PVC paste resin-oatmeal is put into and vinyl chloride-vinyl acetate resin, calcium zinc stabilizer stirs evenly, thinner is added, thickener is prepared into gloves.The present invention has superelevation resilience, elongation high and low temperature environment soft comfortable, and wearing property is close to butyronitrile gloves.
Description
Technical field
The present invention relates to plastic gloves fields, and in particular to a kind of lavender purple PVC resists cold high-elastic gloves.
Background technology
PVC glove is widely used in pharmacy, nursing, medical treatment inspection as the highest disposable isolating and protecting gloves of cost performance
Look into, bioengineering, food processing, the electrostatic sensitives industry such as fields and semiconductor, microelectronics, light-emitting diode display such as fast food service.
As world economy continues to develop, continues to bring out out new industry and field starts to dress disposable isolating and protecting gloves, it is old
Industry and field then require to increase to the disposable isolating and protecting gloves of wearing, are proposed in wearing feel, touch feeling etc.
High requirement, i.e., demand and requirement of the big market to PVC glove are also as economic development is evolving variation.
Current big demand and requirement of the market to PVC glove can be coped with by developing the lavender purple PVC high-elastic gloves that resist cold
Variation, makes up deficiency of the PVC material with respect to nitrile rubber, natural emulsion material, that is, it is harder, tactile to make up PVC glove wearing feel
It is poor to touch feel, especially cold season in winter, the problem that the wearing of gloves is poor and color is single.Meanwhile being to improve enterprise
The important measure of industry competitiveness in the following disposable isolating and protecting market for glove.
Invention content
First technical problem to be solved by this invention be:In view of the deficienciess of the prior art, providing one kind has
Superelevation resilience, elongation are high, especially keep soft comfortable in low temperature environment, and the wearing of resistance to migration is close to butyronitrile gloves
Lavender purple PVC resist cold high-elastic gloves.
Second technical problem to be solved by this invention be:In view of the deficienciess of the prior art, providing one kind has
Superelevation resilience, elongation are high, especially keep soft comfortable in low temperature environment, and the wearing of resistance to migration is close to butyronitrile gloves
Lavender purple PVC resist cold the preparation methods of high-elastic gloves.
In order to solve the first technical problem mentioned above, the technical scheme is that:
A kind of lavender purple PVC resists cold high-elastic gloves, includes the raw material components of following parts by weight:PVC paste resin 70~90
Part, 10~30 parts of vinyl chloride-vinyl acetate resin, 0.8~1.5 part of calcium zinc stabilizer, without 45~55 parts of benzene plasticiser, cold resistant plasticizer 15~25
Part, cold-resistant toughened dose 10~20 parts of macromolecule, 0.8~1.2 part of liquid butyronitrile, 0.08~0.15 part of crosslinking agent, thinner 18~
25 parts, blue 0.015~0.04 part of cream, 0.02~0.05 part of purple cream, white 0.5~2.5 part of cream.
Color that the present invention especially selects proportioning obtains the romantic lavender purple of tender feeling, keeps gloves more beautiful, to wearing
Wearer brings a kind of comfortable visual enjoyment.
As a kind of preferred technical solution, it is the vinyl chloride-vinyl acetate resin of PCH-04 that the vinyl chloride-vinyl acetate resin, which selects the trade mark,.
As a kind of preferred technical solution, the cold resistant plasticizer selects DOS.
As a kind of preferred technical solution, cold-resistant toughened dose of the macromolecule selects ethylene-dien terpolymer HP741.
As a kind of preferred technical solution, the liquid butyronitrile selects the liquid butyronitrile of 1312 trades mark of the auspicious father-in-law of Japan.
As a kind of preferred technical solution, the crosslinking agent selects TAIC or DVB.
As a kind of preferred technical solution, the no benzene plasticiser select German BASF without benzene plasticiser DINCH.
As a kind of preferred technical solution, the blue cream and purple cream select Degussa import color.
As a kind of preferred technical solution, the thinner selects D70.
To solve above-mentioned second technical problem, the technical scheme is that:
Lavender purple PVC resists cold the preparation methods of high-elastic gloves, includes the following steps:
(1) cold-resistant toughened dose of no benzene plasticiser, cold resistant plasticizer, macromolecule, liquid fourth are weighed according to parts by weight proportioning
Nitrile, crosslinking agent, blue cream, purple cream and white cream, adjustment rotating speed extremely mix for 15~30 minutes in 400~500r/min, stirring
Uniformly.
(2) input PVC paste resin-oatmeal and vinyl chloride-vinyl acetate resin, adjustment rotating speed to 600~1000r/ are matched according to parts by weight
Min, high-speed stirred 1~2 hour are added calcium zinc stabilizer, continue stirring 1.5~2.5 hours;It is then allowed to stand after a certain period of time,
Thinner, standing and defoaming is added.
(3) thickener that step (2) has configured is obtained described smoking clothing through fingerprint soaking, dip coating and crimping procedures
Grass purple PVC resists cold high-elastic gloves.
As a kind of preferred technical solution, step (3) the gloves preparation process specifically includes:
A, the thickener configured is inputted to the hopper of production line, fingerprint passes through the hopper for filling thickener, carries out the first step
Fingerprint impregnates, and fingerprint enters plasticizing oven after drop of hanging down after the completion of dipping, the thickener plasticizing on fingerprint surface in being plasticized oven
Molding, has obtained solid netted crosslinked PVC plastic layer.
B, after the completion of fingerprint plasticizing, immersion fills PU finishing agent drill traverse stains, is dried using baking oven, finishing agent is in PVC plastic
Change and forms one layer of PU covering with paint oxidant layer outside layer.
C, and then by crimping procedures by glove bead, finally gloves and fingerprint are detached from, it is cold-resistant to obtain lavender purple PVC
High-elastic gloves.
By adopting the above-described technical solution, the beneficial effects of the invention are as follows:
1, the present invention adds vinyl chloride-vinyl acetate resin, vinyl chloride-vinyl acetate resin embedded vinyl acetate in PVC strands in PVC glove formula
Molecule can weaken the polarity of original PVC molecules, reduce the attraction between molecule, can improve plasticising to a certain extent
Effect makes the intensity of gloves and elongation increase, and has certain resilience, at the same the pliability of gloves have it is certain
It is promoted;The introducing of vinyl chloride-vinyl acetate resin can also increase the mobility of thickener, reduce viscosity, reduce the dosage of thinner.
2. the present invention adding liquid butyronitrile and crosslinking agent in PVC glove formula, during plasticizing, the liquid of addition
Butyronitrile carries out cross-linked network with crosslinking agent, increases the elasticity and flexibility of PVC glove, and plays the work for inhibiting plasticizer
With.It introduces after liquid butyronitrile and crosslinking agent, generates more crosslinking points in the layer structure of plasticizing layer, between crosslinking points mutually
Mutually interspersed crosslinking, forms a kind of space network.
3. present invention addition environment-friendly type in PVC glove formula can not only improve PVC paste resin and plasticising without benzene plasticiser
The compatibility of agent can also improve plasticization effect.
4, the present invention adds cold resistant plasticizer in PVC glove formula, is mutually cooperateed with for cold-resistant toughened dose with macromolecule, increases
The wearing flexibilities of gloves under cryogenic.
5, the resist cold structures of high-elastic gloves of lavender purple PVC of the invention are that PU covers with paint, lacquer, colour wash, etc. oxidant layer and PVC successively from inside to outside
Solid netted plasticizing layer composition, wherein PVC plastic layer is no longer single layer structure, introduce liquid butyronitrile and crosslinking agent it
Afterwards, more crosslinking points are generated in the layer structure of plasticizing layer, are interted crosslinking mutually between crosslinking points, are formed a kind of stereoscopic graticule
Shape structure.In addition, insertion of the vinyl acetate soft segment of vinyl chloride-vinyl acetate resin in polyvinyl chloride strand, reduces original PVC points
The polarity of subchain, it is elastic simultaneously in raising plasticization effect and gloves, liquid butyronitrile can be increased with the phase between PVC paste material
Capacitive further increases the cross-linking effect between each crosslinking points.
Specific implementation mode
With reference to specific embodiment, the present invention is further explained.It should be understood that these embodiments are merely to illustrate this hair
It is bright rather than limit the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, art technology
Personnel can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Fixed range.
Embodiment 1
A kind of lavender purple PVC resists cold high-elastic gloves, includes the raw material components of following parts by weight:72 parts of PVC paste resin, chlorine
12 parts of vinegar resin, 0.9 part of calcium zinc stabilizer, without 48 parts of benzene plasticiser, DOS18 parts of cold resistant plasticizer, cold-resistant toughened dose of macromolecule
12 parts, 0.9 part of liquid butyronitrile, 0.09 part of crosslinking agent, 19 parts of thinner, blue 0.018 part of cream, 0.08 part of purple cream, white cream
1.2 part.
Embodiment 2
A kind of lavender purple PVC resists cold high-elastic gloves, includes the raw material components of following parts by weight:80 parts of PVC paste resin, board
Number for PCH-04 1.2 parts of 15 parts of vinyl chloride-vinyl acetate resin, calcium zinc stabilizer, without DINCH50 parts of benzene plasticiser, cold resistant plasticizer DOS 20
Part, 15 parts of ethylene-dien terpolymer HP741 of cold-resistant toughened dose of macromolecule, the auspicious father-in-law of Japan 1312 trades mark liquid butyronitrile 1.0
Part, 0.12 part of crosslinking agent TAIC, 21 parts of thinner, blue 0.03 part of cream, 0.03 part of purple cream, white 2.0 parts of cream.
Embodiment 3
A kind of lavender purple PVC resists cold high-elastic gloves, includes the raw material components of following parts by weight:82 parts of PVC paste resin, chlorine
22 parts of vinegar resin, 1.3 parts of calcium zinc stabilizer, without 50 parts of benzene plasticiser, DOS20 parts of cold resistant plasticizer, cold-resistant toughened dose of macromolecule
17 parts, 1.1 parts of liquid butyronitrile, 0.11 part of crosslinking agent, 21 parts of thinner, blue 0.02 part of cream, 0.03 part of purple cream, white cream
1.5 part.
Embodiment 4
A kind of lavender purple PVC resists cold high-elastic gloves, includes the raw material components of following parts by weight:88 parts of PVC paste resin, chlorine
26 parts of vinegar resin, 1.4 parts of calcium zinc stabilizer, without 52 parts of benzene plasticiser, DOS24 parts of cold resistant plasticizer, cold-resistant toughened dose of macromolecule
18 parts, 1.2 parts of liquid butyronitrile, 0.14 part of crosslinking agent, 22 parts of thinner, blue 0.03 part of cream, 0.03 part of purple cream, white cream
2.0 part.
Embodiment 5
A kind of lavender purple PVC resists cold high-elastic gloves, includes the raw material components of following parts by weight:85 parts of PVC paste resin, board
Number for PCH-04 1.2 parts of 20 parts of vinyl chloride-vinyl acetate resin, calcium zinc stabilizer, without DINCH49 parts of benzene plasticiser, cold resistant plasticizer DOS 21
Part, 16 parts of ethylene-dien terpolymer HP741 of cold-resistant toughened dose of macromolecule, the auspicious father-in-law of Japan 1312 trades mark liquid butyronitrile 1.2
Part, DVB0.13 parts of crosslinking agent, 20 parts of thinner, blue 0.04 part of cream, 0.04 part of purple cream, white 2.5 parts of cream.
Embodiment 6
48 parts of no benzene plasticiser, 18 parts of cold resistant plasticizer, cold-resistant toughened dose 16 of macromolecule are weighed according to parts by weight proportioning
Part, 1.0 parts of liquid butyronitrile, 0.11 part of crosslinking agent, blue 0.025 part of cream, 0.03 part of purple cream, white 1.5 parts of cream, adjust rotating speed
In 450r/min, stirring 20 minutes is to being uniformly mixed.
82 parts of input PVC paste resin-oatmeal and the trade mark are matched as 18 parts of the vinyl chloride-vinyl acetate resin of PCH-04, adjustment according to parts by weight
1.2 parts of calcium zinc stabilizer is added in rotating speed to 1000r/min, high-speed stirred 1 hour, continues stirring 2 hours;It is then allowed to stand certain
After time, 20 parts of thinner, standing and defoaming is added.
The thickener configured is inputted to the hopper of production line, fingerprint passes through the hopper for filling thickener, carries out the hand of the first step
Mould impregnates, and fingerprint enters plasticizing oven after drop of hanging down after the completion of dipping, in be plasticized oven the thickener on fingerprint surface be plasticized at
Type has obtained solid netted crosslinked PVC plastic layer.
After the completion of fingerprint plasticizing, immersion fills PU finishing agent drill traverse stains, is dried using baking oven, finishing agent is in PVC plastic
Layer is outer to form one layer of PU covering with paint oxidant layer.
Then pass through crimping procedures by glove bead, be finally detached from gloves and fingerprint, obtain the cold-resistant height of lavender purple PVC
Play gloves.
Embodiment 7
According to parts by weight proportioning weigh no benzene plasticiser DINCH46 part, DOS22 parts of cold resistant plasticizer, macromolecule resist cold
14 parts of toughener ethylene-dien terpolymer HP741,0.9 part of the liquid butyronitrile of 1312 trades mark of the auspicious father-in-law of Japan, crosslinking agent
TAIC0.12 parts, blue 0.025 part of cream, 0.03 part of purple cream, white 1.5 parts of cream, adjustment rotating speed stirs 18 points in 500r/min
Clock to be uniformly mixed.
It is matched according to parts by weight and puts into 22 parts of 79 parts of PVC paste resin-oatmeal and vinyl chloride-vinyl acetate resin, adjustment rotating speed to 900r/min,
1.1 parts of calcium zinc stabilizer is added in high-speed stirred 1.4 hours, continues stirring 1.5 hours;It is then allowed to stand after a certain period of time, drop is added
20 parts of stick, standing and defoaming.
The thickener configured is inputted to the hopper of production line, fingerprint passes through the hopper for filling thickener, carries out the hand of the first step
Mould impregnates, and fingerprint enters plasticizing oven after drop of hanging down after the completion of dipping, in be plasticized oven the thickener on fingerprint surface be plasticized at
Type has obtained solid netted crosslinked PVC plastic layer.
After the completion of fingerprint plasticizing, immersion fills PU finishing agent drill traverse stains, is dried using baking oven, finishing agent is in PVC plastic
Layer is outer to form one layer of PU covering with paint oxidant layer.
Then pass through crimping procedures by glove bead, be finally detached from gloves and fingerprint, obtain the cold-resistant height of lavender purple PVC
Play gloves.
Comparative example 1
As different from Example 6, without the addition cured resin of chlorine in glove formula, remaining is identical for comparative example 1.
Comparative example 2
Comparative example 2 does not have adding liquid butyronitrile and crosslinking agent as different from Example 6, in glove formula, remaining is identical.
Comparative example 3
As different from Example 6, without addition cold resistant plasticizer in glove formula, remaining is identical for comparative example 3.
Comparative example 4
As different from Example 6, without cold-resistant toughened dose of macromolecule of addition in glove formula, remaining is identical for comparative example 4.
Comparative example 5
Comparative example 5 is as different from Example 6, no in glove formula to add blue cream, purple cream, white cream, remaining
It is identical.
The lavender purple PVC that above-described embodiment 6,7 and comparative example 1-5 are prepared resists cold the performance indicators of high-elastic gloves
Such as the following table 1.
Table 1
Claims (8)
- The high-elastic gloves 1. a kind of lavender purple PVC resists cold, it is characterised in that include the raw material components of following parts by weight:PVC paste tree 70~90 parts of fat, 10~30 parts of vinyl chloride-vinyl acetate resin, 0.8~1.5 part of calcium zinc stabilizer, without 45~55 parts of benzene plasticiser, cold-resistant plasticising 15~25 parts of agent, cold-resistant toughened dose 10~20 parts of macromolecule, 0.8~1.2 part of liquid butyronitrile, 0.08~0.15 part of crosslinking agent, drop 18~25 parts of stick, blue 0.015~0.04 part of cream, 0.02~0.05 part of purple cream, white 0.5~2.5 part of cream.
- The high-elastic gloves 2. lavender purple PVC as described in claim 1 resists cold, it is characterised in that:The vinyl chloride-vinyl acetate resin selects board Number be PCH-04 vinyl chloride-vinyl acetate resin.
- The high-elastic gloves 3. lavender purple PVC as described in claim 1 resists cold, it is characterised in that:The cold resistant plasticizer is selected DOS。
- The high-elastic gloves 4. lavender purple PVC as described in claim 1 resists cold, it is characterised in that:The macromolecule is cold-resistant toughened Ethylene-dien terpolymer HP741 is selected in agent.
- The high-elastic gloves 5. lavender purple PVC as described in claim 1 resists cold, it is characterised in that:The crosslinking agent selects TAIC Or DVB.
- The high-elastic gloves 6. lavender purple PVC as described in claim 1 resists cold, it is characterised in that:The no benzene plasticiser is selected Without benzene plasticiser DINCH.
- The preparation method of high-elastic gloves 7. lavender purple PVC as described in claim 1 resists cold, it is characterised in that including following step Suddenly:(1) cold-resistant toughened dose of no benzene plasticiser, cold resistant plasticizer, macromolecule, liquid butyronitrile, friendship are weighed according to parts by weight proportioning Join agent, blue cream, purple cream and white cream, stirring 15~30 minutes is to being uniformly mixed;(2) input PVC paste resin-oatmeal and vinyl chloride-vinyl acetate resin are matched according to parts by weight, it is steady that calcium zinc is added in high-speed stirred 1~2 hour Determine agent, continues stirring 1.5~2.5 hours;It is then allowed to stand after a certain period of time, thinner, standing and defoaming is added;(3) thickener that step (2) has configured is obtained into the lavender purple through fingerprint soaking, dip coating and crimping procedures PVC resists cold high-elastic gloves.
- The preparation method of high-elastic gloves 8. lavender purple PVC as claimed in claim 7 resists cold, it is characterised in that the step (3) include:A, the thickener configured is inputted to the hopper of production line, fingerprint passes through the hopper for filling thickener, carries out the fingerprint of the first step It impregnating, fingerprint enters after drop of hanging down after the completion of dipping is plasticized oven, the thickener plasticizing forming on fingerprint surface in being plasticized oven, Solid netted crosslinked PVC plastic layer is obtained;B, after the completion of fingerprint plasticizing, immersion fills PU finishing agent drill traverse stains, is dried using baking oven, finishing agent is in PVC plastic layer It is outer to form one layer of PU covering with paint oxidant layer;C, and then by crimping procedures by glove bead, finally gloves and fingerprint are detached from, obtain lavender purple PVC resist cold it is high-elastic Gloves.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110372970A (en) * | 2019-07-24 | 2019-10-25 | 苏州贝斯特装饰新材料有限公司 | A kind of high viscosity, low-shearing force environment-friendly type PVC paste |
CN111269507A (en) * | 2020-03-31 | 2020-06-12 | 安徽和佳医疗用品科技有限公司 | PVC gloves with degradable and moisture-proof functions and preparation method thereof |
CN112011133A (en) * | 2020-09-04 | 2020-12-01 | 特变电工山东鲁能泰山电缆有限公司 | High-life high-elasticity salt-fog-resistant mildew-resistant chemically-crosslinked chlorinated polyethylene sheath material and preparation method thereof |
CN112708225A (en) * | 2020-12-25 | 2021-04-27 | 徐州富山医疗制品有限公司 | Oil-resistant benzene-free PVC (polyvinyl chloride) glove and preparation process thereof |
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CN106467642A (en) * | 2015-08-21 | 2017-03-01 | 仲芳 | A kind of acidproof Plastic glove material of antibacterial |
CN108047605A (en) * | 2017-12-27 | 2018-05-18 | 蓝帆医疗股份有限公司 | A kind of cold-resistant PVC gloves and preparation method thereof |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110372970A (en) * | 2019-07-24 | 2019-10-25 | 苏州贝斯特装饰新材料有限公司 | A kind of high viscosity, low-shearing force environment-friendly type PVC paste |
CN111269507A (en) * | 2020-03-31 | 2020-06-12 | 安徽和佳医疗用品科技有限公司 | PVC gloves with degradable and moisture-proof functions and preparation method thereof |
CN112011133A (en) * | 2020-09-04 | 2020-12-01 | 特变电工山东鲁能泰山电缆有限公司 | High-life high-elasticity salt-fog-resistant mildew-resistant chemically-crosslinked chlorinated polyethylene sheath material and preparation method thereof |
CN112708225A (en) * | 2020-12-25 | 2021-04-27 | 徐州富山医疗制品有限公司 | Oil-resistant benzene-free PVC (polyvinyl chloride) glove and preparation process thereof |
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Application publication date: 20180928 |