CN103965554A - Butyl blending emulsion chemical protective glove and preparation method thereof - Google Patents

Butyl blending emulsion chemical protective glove and preparation method thereof Download PDF

Info

Publication number
CN103965554A
CN103965554A CN201410194274.9A CN201410194274A CN103965554A CN 103965554 A CN103965554 A CN 103965554A CN 201410194274 A CN201410194274 A CN 201410194274A CN 103965554 A CN103965554 A CN 103965554A
Authority
CN
China
Prior art keywords
butyl
polymer blended
blending
blending emulsion
main body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201410194274.9A
Other languages
Chinese (zh)
Other versions
CN103965554B (en
Inventor
张间芳
魏邦柱
沈洪斌
陈建培
熊望亭
熊建军
谢小强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Kanglongda Special Protection Technology Co Ltd
Original Assignee
Zhejiang Kanglongda Special Protection Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Kanglongda Special Protection Technology Co Ltd filed Critical Zhejiang Kanglongda Special Protection Technology Co Ltd
Priority to CN201410194274.9A priority Critical patent/CN103965554B/en
Publication of CN103965554A publication Critical patent/CN103965554A/en
Application granted granted Critical
Publication of CN103965554B publication Critical patent/CN103965554B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions 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
    • C08L23/18Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
    • C08L23/20Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
    • C08L23/22Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefins
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D19/00Gloves
    • A41D19/015Protective gloves

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Gloves (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)

Abstract

The invention discloses a butyl blending emulsion chemical protective glove and a preparation method thereof. The butyl blending emulsion chemical protective glove comprises a glove liner and a macromolecule blending emulsion material outer gumming layer, wherein the macromolecule blending emulsion material outer gumming layer comprises the components of a macromolecule blending alloy material main body, a vulcanizer, a promoter and a vulcanization activator according to the mass ratio of 100 to 0.5-5 to 0-2 to 1-3; the macromolecule blending alloy material main body comprises 60 to 100 percent of butyl rubber and 0 to 40 percent of other high polymer materials; the high polymer materials are PVC, PE, phenolic aldehyde or nitrile rubber. The butyl blending emulsion chemical protective glove overcomes defects in binding power and tear resistance, has excellent performances of chemical corrosion prevention, solvent resistance and oil resistance, has an excellent water resisting property and an electrical insulating property, and also has wear resisting, cut preventing and puncture resisting properties and the like; the preparation process is accomplished through mechanized linkage and flow production; the production is feasible, the technology is reasonable, the cost is reasonable, and the butyl blending emulsion chemical protective glove and the preparation method are applicable to industrialized scale production.

Description

Butyl blending emulsion chemical defence gloves and preparation method thereof
Technical field
The present invention relates to a kind of butyl blending emulsion chemical defence gloves and preparation method thereof, is taking isoprene-isobutylene rubber as main body superpolymer intermingling material gloves and preparation method thereof, be a kind of can be used for the fields such as labour protection to the corrosion resistant protective gloves of chemical mediator.
Background technology
Along with day by day flourishing, corrosion-resistant, the oil resistant of industry, solvent-proof macromolecular material gloves demand are also increasing.No matter airtight performance of existing macromolecular material gloves, the performance that still tolerates corrosive medium corrosion is not ideal, its barrier propterty needs further to be improved, and cannot meet the labor protection needs of special dimension.Based on this, the present invention is proposed.
Summary of the invention
For the above-mentioned technical problem of prior art; the object of this invention is to provide a kind of butyl blending emulsion chemical defence gloves and preparation method thereof; taking isoprene-isobutylene rubber as main body superpolymer intermingling material gloves and preparation method thereof, be a kind of can be used for the fields such as labour protection to the corrosion resistant protective gloves of chemical mediator.
For achieving the above object, the present invention is achieved by the following technical solutions:
Butyl blending emulsion chemical defence gloves, comprise glove liner and outer rubber shoe latex layer, described glove liner is the glove liner of the fiber seamless knitted such as nylon, terylene, cotton or artificial silk, described outer rubber shoe latex layer is the outer rubber shoe latex layer of polymer blended material, and the outer rubber shoe latex layer of described polymer blended material is composed of the following components: polymer blended alloy material main body, vulcanizing agent, promotor and vulcanization activator; The mass parts ratio of described polymer blended alloy material main body, vulcanizing agent, promotor and vulcanization activator is: polymer blended alloy material main body: vulcanizing agent: promotor: vulcanization activator=100:0. 5-5:0-2:1-3; Described polymer blended alloy material main body comprises isoprene-isobutylene rubber and other macromolecular material of 0%-40% of 60%-100%; Other described macromolecular material is PVC, PE, phenolic aldehyde or paracril.
Described vulcanizing agent is sulphur, superoxide or metal oxide.
Described promotor is zinc diethyldithiocarbamate class.
Described vulcanization activator is zinc oxide and/or stearic acid.
The preparation method of butyl blending emulsion chemical defence gloves, comprises the following steps:
(1) prepare polymer blended alloy material main body: the isoprene-isobutylene rubber of 60%-100% and other macromolecular material of 0%-40% are carried out to interface adjusting, blend, maturation balance more than 24 hours; Other described macromolecular material is PVC, PE, phenolic aldehyde or paracril;
(2) configure polymer blended outer glue-line emulsion: by mass parts, 100 parts of the polymer blended alloy material main bodys making in described step (1), add vulcanizing agent 0.5-5 part, promotor 0-2 part and vulcanization activator 1-3 part, stir, maturation is more than 24 hours; Described vulcanizing agent is sulphur, superoxide or metal oxide; Described promotor is zinc diethyldithiocarbamate class; Described vulcanization activator is zinc oxide or stearic acid;
(3) dipping: the glove liner of nylon, terylene, cotton or rayon fiber seamless knitted is immersed in peptizer, then immerse the polymer blended outer glue-line emulsion having configured in step (2), after 100-130 DEG C of sulfuration, dry 60-120min makes finished product, then carry out finished product dry, after parching at 80 DEG C, make the polymer blended chemical defence gloves of butyl.
Beneficial effect of the present invention is as follows:
Butyl blending emulsion chemical defence gloves of the present invention and preparation method thereof, taking isoprene-isobutylene rubber as main body superpolymer intermingling material gloves and preparation method thereof, be a kind of can be used for the fields such as labour protection to the corrosion resistant protective gloves of chemical mediator, solve the undesirable disadvantage of cohesive force and tear resistance etc. in the past, keep again isoprene-isobutylene rubber gas tightness, the advantage that isolated corrosive medium immerses and tolerance medium is denuded, there is anti-chemical product corrosion, resistance to solvent, oil resistant, there are good water tolerance and electric insulating quality, there is again wear-resistant anti-cutting, resistance toly the various excellent properties such as pierce through.Butyl blending emulsion chemical defence gloves of the present invention, comprise various fiber seamless knitted linings, blending emulsion material at liner surface dipping one deck taking butyl as main body, this macromolecular material contains isoprene-isobutylene rubber and other rubber and plastic macromolecular material, also have vulcanizing agent, promotor and other plural components, be dried and form through cooperation, phase interface adjusting, emulsion blending, balance, maturation reequilibrate, dipping, sulfuration, preparation process mechanize interlock, streamline operration complete; Produce feasible, technology is reliable, cost is reasonable, is suitable for commercial scale production.
Embodiment
Below in conjunction with specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to this.
The preparation method of the butyl blending emulsion chemical defence gloves in the present invention, the peptizer using in step (3) is the conventional peptizer in this area; Peptizer in the present invention and other chemical substance all can adopt technique well known in the art synthetic, or adopt commercially available prod.
embodiment 1
The preparation method of butyl blending emulsion chemical defence gloves of the present invention, comprises the following steps:
(1) prepare blending emulsion colloid: the PVC of 90% isoprene-isobutylene rubber and 10% is carried out to interface adjusting, blend, maturation balance more than 24 hours;
(2) configure polymer blended outer glue-line emulsion: by mass parts, 100 parts, the blending emulsion colloid making in step (1), adds 3 parts, 5 parts, sulphur, 2 parts of zinc diethyldithiocarbamate classes and zinc oxide, stirs, and maturation is more than 24 hours;
(3) dipping: the glove liner of nylon, terylene, cotton or rayon fiber seamless knitted is immersed in peptizer, then immerse the polymer blended outer glue-line emulsion having configured in step (2), after 130 DEG C of sulfurations, dry 120min makes finished product, then carry out finished product dry, after parching at 80 DEG C, make butyl blending emulsion chemical defence gloves.
embodiment 2
The preparation method of butyl blending emulsion chemical defence gloves of the present invention, comprises the following steps:
(1) prepare blending emulsion colloid: the PE of 60% isoprene-isobutylene rubber and 40% is carried out to interface adjusting, blend, maturation balance more than 24 hours;
(2) configure polymer blended outer glue-line emulsion: by mass parts, 100 parts, the blending emulsion colloid making in step (1), add 1 part of 0.5 part of metal oxide, 1 part of zinc diethyldithiocarbamate class and stearic acid, stir, maturation is more than 24 hours;
(3) dipping: the glove liner of nylon, terylene, cotton or rayon fiber seamless knitted is immersed in peptizer, then immerse the polymer blended outer glue-line emulsion having configured in step (2), after 100 DEG C of sulfurations, dry 60min makes finished product, then carry out finished product dry, after parching at 80 DEG C, make butyl blending emulsion chemical defence gloves.
embodiment 3
The preparation method of butyl blending emulsion chemical defence gloves of the present invention, comprises the following steps:
(1) prepare blending emulsion colloid: the phenolic aldehyde of 75% isoprene-isobutylene rubber and 25% is carried out to interface adjusting, blend, maturation balance more than 24 hours;
(2) configure polymer blended outer glue-line emulsion: by mass parts, 100 parts, the blending emulsion colloid making in step (1), adds 2 parts of peroxidase 12 .75 part and stearic acid, stir, maturation 24 hours;
(3) dipping: the glove liner of nylon, terylene, cotton or rayon fiber seamless knitted is immersed in peptizer, then immerse the polymer blended outer glue-line emulsion having configured in step (2), after 115 DEG C of sulfurations, dry 90min makes finished product, then carry out finished product dry, after parching at 80 DEG C, make butyl blending emulsion chemical defence gloves.
embodiment 4
The preparation method of butyl blending emulsion chemical defence gloves of the present invention, comprises the following steps:
(1) prepare blending emulsion colloid: 80% isoprene-isobutylene rubber and 20%PE are carried out to interface adjusting, blend, maturation balance more than 24 hours;
(2) configure polymer blended outer glue-line emulsion: by mass parts, 100 parts, the blending emulsion colloid making in step (1), add 1.6 parts of 4 parts, sulphur, 1.5 parts of zinc diethyldithiocarbamate classes and zinc oxide and stearic acid, stir, maturation is more than 24 hours;
(3) dipping: the glove liner of nylon, terylene, cotton or rayon fiber seamless knitted is immersed in peptizer, then immerse the polymer blended outer glue-line emulsion having configured in step (2), after 125 DEG C of sulfurations, dry 110min makes finished product, then carry out finished product dry, after parching at 80 DEG C, make butyl blending emulsion chemical defence gloves.
embodiment 5
The preparation method of butyl blending emulsion chemical defence gloves of the present invention, comprises the following steps:
(1) prepare blending emulsion colloid: 95% isoprene-isobutylene rubber and 5% paracril are carried out to interface adjusting, blend, maturation balance more than 24 hours;
(2) configure polymer blended outer glue-line emulsion: by mass parts, 100 parts, the blending emulsion colloid making in step (1), add 1.6 parts of 4 parts, sulphur, 1.5 parts of zinc diethyldithiocarbamate classes and zinc oxide and stearic acid, stir, maturation is more than 24 hours;
(3) dipping: the glove liner of nylon, terylene, cotton or rayon fiber seamless knitted is immersed in peptizer, then immerse the polymer blended outer glue-line emulsion having configured in step (2), after 125 DEG C of sulfurations, dry 110min makes finished product, then carry out finished product dry, after parching at 80 DEG C, make butyl blending emulsion chemical defence gloves.
The present invention be a kind of can be used for the fields such as labour protection to the corrosion resistant protective gloves of chemical mediator; solve cohesive force and the undesirable disadvantage of tear resistance in the past; keep again isoprene-isobutylene rubber gas tightness, isolated corrosive medium to immerse and tolerated the advantage of dielectric corrosion; there is anti-chemical product corrosion; resistance to solvent, oil resistant, there are good water tolerance and electric insulating quality; there is again wear-resistant anti-cutting, resistance toly the various excellent properties such as pierce through.Butyl blending emulsion chemical defence gloves of the present invention, comprise various fiber seamless knitted linings, blending emulsion material at liner surface dipping one deck taking butyl as main body, this macromolecular material contains isoprene-isobutylene rubber and other rubber and plastic macromolecular material, also have vulcanizing agent, promotor and other plural components, be dried and form through cooperation, phase interface adjusting, emulsion blending, balance, maturation reequilibrate, dipping, sulfuration, preparation process mechanize interlock, streamline operration complete; Produce feasible, technology is reliable, cost is reasonable, is suitable for commercial scale production.
Above-described embodiment is only for the inventive concept of the present invention of explaining, but not restriction to rights protection of the present invention, allly utilizes this design to carry out the change of unsubstantiality to the present invention, all should fall into protection scope of the present invention.

Claims (5)

1. butyl blending emulsion chemical defence gloves, it is characterized in that: comprise glove liner and outer rubber shoe latex layer, described glove liner is the glove liner of nylon, terylene, cotton or rayon fiber seamless knitted, described outer rubber shoe latex layer is the outer rubber shoe latex layer of polymer blended material, and the outer rubber shoe latex layer of described polymer blended material is composed of the following components: polymer blended alloy material main body, vulcanizing agent, promotor and vulcanization activator; The mass parts ratio of described polymer blended alloy material main body, vulcanizing agent, promotor and vulcanization activator is: polymer blended alloy material main body: vulcanizing agent: promotor: vulcanization activator=100:0. 5-5:0-2:1-3; Described polymer blended alloy material main body comprises isoprene-isobutylene rubber and other macromolecular material of 0%-40% of 60%-100%; Other described macromolecular material is PVC, PE, phenolic aldehyde or paracril.
2. butyl blending emulsion chemical defence gloves as claimed in claim 1, is characterized in that: described vulcanizing agent is sulphur, superoxide or metal oxide.
3. butyl blending emulsion chemical defence gloves as claimed in claim 1, is characterized in that: described promotor is zinc diethyldithiocarbamate class.
4. butyl blending emulsion chemical defence gloves as claimed in claim 1, is characterized in that: described vulcanization activator is zinc oxide and/or stearic acid.
5. the preparation method of butyl blending emulsion chemical defence gloves, is characterized in that comprising the following steps:
(1) prepare polymer blended alloy material main body: the isoprene-isobutylene rubber of 60%-100% and other macromolecular material of 0%-40% are carried out to interface adjusting, blend, maturation balance more than 24 hours; Other described macromolecular material is PVC, PE, phenolic aldehyde or paracril;
(2) configure polymer blended outer glue-line emulsion: by mass parts, 100 parts of the polymer blended alloy material main bodys making in described step (1), add vulcanizing agent 0.5-5 part, promotor 0-2 part and vulcanization activator 1-3 part, stir, maturation is more than 24 hours; Described vulcanizing agent is sulphur, superoxide or metal oxide; Described promotor is zinc diethyldithiocarbamate; Described vulcanization activator is zinc oxide or stearic acid;
(3) dipping: the glove liner of nylon, terylene, cotton or rayon fiber seamless knitted is immersed in peptizer, then immerse the polymer blended outer glue-line emulsion having configured in step (2), after 100-130 DEG C of sulfuration, dry 60-120min makes finished product, then carry out finished product dry, after parching at 80 DEG C, make the polymer blended chemical defence gloves of butyl.
CN201410194274.9A 2014-05-09 2014-05-09 Butyl blending emulsion chemical defence glove and preparation method thereof Active CN103965554B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410194274.9A CN103965554B (en) 2014-05-09 2014-05-09 Butyl blending emulsion chemical defence glove and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410194274.9A CN103965554B (en) 2014-05-09 2014-05-09 Butyl blending emulsion chemical defence glove and preparation method thereof

Publications (2)

Publication Number Publication Date
CN103965554A true CN103965554A (en) 2014-08-06
CN103965554B CN103965554B (en) 2016-07-06

Family

ID=51235581

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410194274.9A Active CN103965554B (en) 2014-05-09 2014-05-09 Butyl blending emulsion chemical defence glove and preparation method thereof

Country Status (1)

Country Link
CN (1) CN103965554B (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104480720A (en) * 2014-12-12 2015-04-01 天津大学 Surface rubber coating modification method of plane-woven carbon fibres
CN105442312A (en) * 2015-12-01 2016-03-30 南通强生安全防护科技有限公司 Antibacterial cloth as well as preparation method and application thereof
CN108676262A (en) * 2018-04-25 2018-10-19 国家电网公司 Electro-insulating rubber composite material and preparation method, insulated rubber gloves and preparation method
CN109247639A (en) * 2018-09-23 2019-01-22 南通嘉得利安全用品有限公司 Wear-resistant protective gloves
CN110801065A (en) * 2019-10-18 2020-02-18 广州双一乳胶制品有限公司 Composite chemical corrosion resistant airtight protective gloves and preparation process thereof
CN111763392A (en) * 2020-07-21 2020-10-13 江西中红普林医疗制品有限公司 Disposable nitrile rubber modified PVC (polyvinyl chloride) glove and preparation method thereof
CN112048917A (en) * 2020-09-03 2020-12-08 山东星宇手套有限公司 Preparation method of double-layer butyl chemical-resistant gloves with linings
CN116480292A (en) * 2023-04-04 2023-07-25 青岛青橡橡胶有限公司 Acidizing fracturing hose and preparation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1811234A (en) * 2006-03-02 2006-08-02 南京大学 Long-acting preserving and sealing protection method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1811234A (en) * 2006-03-02 2006-08-02 南京大学 Long-acting preserving and sealing protection method

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
巫惠琼 等: "应用国产丁基橡胶生产高效耐酸碱工业手套", 《橡胶科技市场》 *
巫惠琼 等: "应用国产丁基橡胶生产高效耐酸碱工业手套", 《橡胶科技市场》, 1 October 2003 (2003-10-01) *

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104480720A (en) * 2014-12-12 2015-04-01 天津大学 Surface rubber coating modification method of plane-woven carbon fibres
CN105442312A (en) * 2015-12-01 2016-03-30 南通强生安全防护科技有限公司 Antibacterial cloth as well as preparation method and application thereof
CN108676262A (en) * 2018-04-25 2018-10-19 国家电网公司 Electro-insulating rubber composite material and preparation method, insulated rubber gloves and preparation method
CN108676262B (en) * 2018-04-25 2021-05-07 国家电网公司 Insulating rubber composite material and preparation method thereof, insulating rubber gloves and preparation method thereof
CN109247639A (en) * 2018-09-23 2019-01-22 南通嘉得利安全用品有限公司 Wear-resistant protective gloves
CN110801065A (en) * 2019-10-18 2020-02-18 广州双一乳胶制品有限公司 Composite chemical corrosion resistant airtight protective gloves and preparation process thereof
CN110801065B (en) * 2019-10-18 2021-08-31 广州双一乳胶制品有限公司 Composite chemical corrosion resistant airtight protective gloves and preparation process thereof
CN111763392A (en) * 2020-07-21 2020-10-13 江西中红普林医疗制品有限公司 Disposable nitrile rubber modified PVC (polyvinyl chloride) glove and preparation method thereof
CN111763392B (en) * 2020-07-21 2022-03-22 江西中红普林医疗制品有限公司 Disposable nitrile rubber modified PVC (polyvinyl chloride) glove and preparation method thereof
CN112048917A (en) * 2020-09-03 2020-12-08 山东星宇手套有限公司 Preparation method of double-layer butyl chemical-resistant gloves with linings
CN116480292A (en) * 2023-04-04 2023-07-25 青岛青橡橡胶有限公司 Acidizing fracturing hose and preparation method thereof
CN116480292B (en) * 2023-04-04 2024-03-15 青岛青橡橡胶有限公司 Acidizing fracturing hose and preparation method thereof

Also Published As

Publication number Publication date
CN103965554B (en) 2016-07-06

Similar Documents

Publication Publication Date Title
CN103965554A (en) Butyl blending emulsion chemical protective glove and preparation method thereof
CN103804738B (en) A kind of high-temperature stator elastomeric material and preparation method thereof
CN105111545A (en) Dipping adhesive for flexible industrial canvas and preparation method of dipping adhesive
CN104403239B (en) Elastic wear-resistant seal ring for engine and preparation method of elastic wear-resistant seal ring
CN103717948B (en) Gasket material
CN103242563A (en) Black table tennis racket inverted rubber composition with high viscosity and high elasticity
CN102108274A (en) Phenolic-nitrile rubber hot vulcanized adhesive and preparation method thereof
WO2019088305A8 (en) Crosslinking agent, polymer composition containing crosslinking agent, and crosslinked product of same
CN107118408A (en) A kind of chemical pump oil resistant chemical resistance encapsulant
CN109851928A (en) A kind of water delivery hose and preparation method thereof of low temperature resistant aging
RU2304603C1 (en) Glue composition
CN104073207A (en) Formula and preparation process of non-toxic and environment-friendly wood sealant
CN105054415A (en) Making method for food contact butyronitrile gloves
CN109880241A (en) A kind of vehicle dormer window seal foaming adhesive tape and preparation method thereof
CN110801065B (en) Composite chemical corrosion resistant airtight protective gloves and preparation process thereof
CN104130475A (en) Rubber material for fire extinguisher sealing member
CN108117674A (en) A kind of formula of anticorrosion antiwear rubber pad and preparation method thereof
CN107434961A (en) A kind of insulating tape primer and preparation method thereof
CN104877194B (en) A kind of rubber squeeze roll rod facestock material and squeeze roll preparation method
CN103613802B (en) A kind of medical rubber glove and preparation method thereof
CN104017246A (en) Peroxide crosslinked natural-butadiene styrene insulation rubber and preparation method thereof
CN102966565A (en) Pneumatic water pump
CN106905939A (en) Superhigh intensity crosslinked gel plugging tune system and its production and use
CN109679254A (en) A kind of chemical pump New insulated sealing material
CN112409660B (en) Oil-resistant rubber sealing element material

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant