CN109337347A - A kind of environmental protection Medical rubber plug composite material and preparation method - Google Patents

A kind of environmental protection Medical rubber plug composite material and preparation method Download PDF

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Publication number
CN109337347A
CN109337347A CN201811181655.8A CN201811181655A CN109337347A CN 109337347 A CN109337347 A CN 109337347A CN 201811181655 A CN201811181655 A CN 201811181655A CN 109337347 A CN109337347 A CN 109337347A
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China
Prior art keywords
parts
rubber
composite material
tank body
sulphur
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CN201811181655.8A
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Chinese (zh)
Inventor
费传文
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Anhui Zhongma Rubber & Plastic Products Co Ltd
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Anhui Zhongma Rubber & Plastic Products Co Ltd
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Priority to CN201811181655.8A priority Critical patent/CN109337347A/en
Publication of CN109337347A publication Critical patent/CN109337347A/en
Withdrawn legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04Polyurethanes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/02Applications for biomedical use
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four 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)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a kind of environmentally friendly Medical rubber plug composite material, raw material poidometer by weight is as follows: 53-58 parts of compounded rubber powder, 20-27 parts of sulphur, 23-25 parts of N330 high wear-resistant carbon black, 12-16 parts of cross-linking aid, 10-13 parts of filler, 5-9 parts of compounding agent, 2-8 parts of stearic acid, 1-4 parts of haloflex, 2-8 parts of N tert butyl benzothiazole 2 sulfenamide, 5-9 parts of magnesia, 5-8 parts of epoxy resin, 13-16 parts of precipitated calcium carbonate, 1-5 parts of zinc stearate.A kind of environmentally friendly Medical rubber plug composite material and preparation method provided by the invention, the preparation method is simple, easily implements;Exudate, the volatile matter etc. of pollution are not generated;Using Na22 and MD as promotor, constitutes sulfurless curing system and without sulphur promotion system, do not contain sulphur in component, avoid the pollution of sulphur;Rubber is composite material, and the performance of corrosion resistance and ageing resistance is strong, extends the service life of rubber stopper.

Description

A kind of environmental protection Medical rubber plug composite material and preparation method
Technical field
The present invention relates to environmentally friendly Medical rubber plug technical field of composite materials more particularly to a kind of environmentally friendly Medical rubber plugs Use composite material and preparation method.
Background technique
With the development of society, the rubber product type for being applied to medicine and hygiene fields is more and more, such as various glue,medicinals Plug, asepsis injector piston, syringe sealant sealing, hose, conduit, sealing element, valve, baby nipple, tube for blood transfusion,latex etc..
Wherein rubber stopper is the important component of bottled sealing material in Key works Drug packing, and halogenated butyl rubber has curingprocess rate Fastly, the features such as air-tightness is good, heat-resist, thus it is long-term for making bottled medicine rubber plug.But with society development and into Step, halogenated butyl rubber plug is no longer satisfied the demand of each similar drug, is easy to thermo-oxidative ageing and the bad defect of fungistatic effect.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of environmentally friendly Medical rubber plug proposed Use composite material and preparation method.
To achieve the goals above, present invention employs following technical solutions:
A kind of environmental protection Medical rubber plug composite material, raw material poidometer by weight are as follows: compounded rubber powder 53-58 Part, 20-27 parts of sulphur, 23-25 parts of N330 high wear-resistant carbon black, 12-16 parts of cross-linking aid, 10-13 parts of filler, 5-9 parts of compounding agent, 2-8 parts of stearic acid, 1-4 parts of haloflex, 2-8 parts of N tert butyl benzothiazole 2 sulfenamide, 5-9 parts of magnesia, epoxy 5-8 parts of resin, 13-16 parts of precipitated calcium carbonate, 1-5 parts of zinc stearate.
Preferably, the compounded rubber powder includes butadiene-styrene rubber, halogenated butyl rubber, nitrile rubber, isoprene rubber, propylene Acid esters rubber, butadiene-vinylpyridine rubber, silicon rubber, polyurethane rubber.
Preferably, the butadiene-styrene rubber, halogenated butyl rubber, nitrile rubber, isoprene rubber, acrylic rubber, fourth pyrrole Rubber, silicon rubber and polyurethane rubber poidometer by weight are as follows: 12-16 parts of butadiene-styrene rubber, halogenated butyl rubber 20-23 parts, 18-23 parts of nitrile rubber, 6-9 parts of isoprene rubber, 5-9 parts of acrylic rubber, 9-13 parts of butadiene-vinylpyridine rubber, silicon rubber 5-8 parts, 23-27 parts of polyurethane rubber.
Preferably, the cross-linking aid polyfunctional group cross-linking aid, filler are the mixing of clay, clay, mica and graphite Object.
Preferably, compounding agent poidometer by weight is as follows: 264 3-6 parts of anti-aging agents, 23-50 parts of talcum powder, cycloalkanes 12-20 parts oily, 12-13 parts of resin curative HY-2056 resin, 1-3 parts of accelerant N a22,2-5 parts of altax.
A kind of preparation method of environmental protection Medical rubber plug composite material, includes the following steps:
S1: iron filings and impurity will be removed to the compounded rubber powder of vulcanizing treatment electromagnetic method, rubber powder is then crossed into 10- The sieve of 180 mesh;
S2, masticator is preheated, preheating temperature is to 120-150 DEG C, then wherein by compounded rubber powder investment, in 160- 180 DEG C of refining 5-7min;
S3, by sulphur, high wear-resistant carbon black, filler, stearic acid, haloflex, N- tert-butyl -2-[4-morpholinodithio time sulphonyl Amine, magnesia, epoxy resin, precipitated calcium carbonate, zinc stearate are sequentially added in blender and are stirred evenly, then with compounded rubber Powder, cross-linking aid and compounding agent are added into masticator together, 200-210 DEG C of refining 8-16min, then put into adjuvant, 180- 190 DEG C of refining 5-8min;
S4, by be kneaded tank body preheat, by mixed material be kneaded tank body in carry out be kneaded formed it is uncrosslinked medical Rubber profile, and 180-250 DEG C of steam is passed through to being kneaded in tank body by air inlet pipe, and keep in tank body pressure in 1- 4MPa stops being passed through steam into tank body, opens the valve of nitrogen inlet duct, nitrogen is passed through into tank body after reacting 120min, 150 DEG C or less stoppings, which are cooled to, to vulcanizing tank is passed through nitrogen;
S5, most afterwards through injection molding machine injection molding, be placed in baking oven dry, be immersed in after demoulding in saturation quaternary ammonium salt solution, It then takes out, is sufficiently rinsed and dried with deionized water.
Compared with prior art, the beneficial effects of the present invention are: a kind of environmentally friendly Medical rubber plug provided by the invention is with again Condensation material and preparation method thereof, the preparation method is simple, easily implements;Exudate, the volatile matter etc. of pollution are not generated;
Using Na22 and MD as promotor, constitutes sulfurless curing system and without sulphur promotion system, does not contain sulphur in component, Avoid the pollution of sulphur;
Rubber is composite material, and the performance of corrosion resistance and ageing resistance is strong, extends the service life of rubber stopper.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, to this Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not For limiting the present invention.
Embodiment 1
A kind of environmental protection Medical rubber plug composite material, raw material poidometer by weight are as follows: 53 parts of compounded rubber powder, 20 parts of sulphur, 25 parts of N330 high wear-resistant carbon black, 12 parts of cross-linking aid, 10 parts of filler, 5 parts of compounding agent, 5 parts of stearic acid, chlorination are poly- 2 parts of ethylene, 5 parts of N tert butyl benzothiazole 2 sulfenamide, 5 parts of magnesia, 5 parts of epoxy resin, 15 parts of precipitated calcium carbonate, 3 parts of zinc stearate.
Specifically, the compounded rubber powder includes butadiene-styrene rubber, halogenated butyl rubber, nitrile rubber, isoprene rubber, propylene Acid esters rubber, butadiene-vinylpyridine rubber, silicon rubber, polyurethane rubber.
Specifically, the butadiene-styrene rubber, halogenated butyl rubber, nitrile rubber, isoprene rubber, acrylic rubber, fourth pyrrole Rubber, silicon rubber and polyurethane rubber poidometer by weight are as follows: 12 parts of butadiene-styrene rubber, halogenated butyl rubber 20 Part, 18 parts of nitrile rubber, 9 parts of isoprene rubber, 5 parts of acrylic rubber, 13 parts of butadiene-vinylpyridine rubber, 8 parts of silicon rubber, polyurethane 25 parts of ester rubber.
Specifically, the cross-linking aid polyfunctional group cross-linking aid, filler is the mixing of clay, clay, mica and graphite Object.
Specifically, compounding agent poidometer by weight is as follows: 264 5 parts of anti-aging agents, 30 parts of talcum powder, naphthenic oil 20 Part, 12-13 parts of resin curative HY-2056 resin, 2 parts of accelerant N a22,5 parts of altax.
A kind of preparation method of environmental protection Medical rubber plug composite material, includes the following steps:
S1: iron filings and impurity will be removed to the compounded rubber powder of vulcanizing treatment electromagnetic method, rubber powder is then crossed into 10- The sieve of 180 mesh;
S2, masticator is preheated, then wherein by compounded rubber powder investment preheating temperature, is refined to 120 DEG C at 160 DEG C 5min;
S3, by sulphur, high wear-resistant carbon black, filler, stearic acid, haloflex, N- tert-butyl -2-[4-morpholinodithio time sulphonyl Amine, magnesia, epoxy resin, precipitated calcium carbonate, zinc stearate are sequentially added in blender and are stirred evenly, then with compounded rubber Powder, cross-linking aid and compounding agent are added into masticator together, 200 DEG C of refining 16min, then put into adjuvant, 190 DEG C of refinings 8min;
S4, by be kneaded tank body preheat, by mixed material be kneaded tank body in carry out be kneaded formed it is uncrosslinked medical Rubber profile, and 250 DEG C of steam is passed through into mixing tank body by air inlet pipe, and pressure in tank body is kept to react in 4MPa After 120min, stop being passed through steam into tank body, opens the valve of nitrogen inlet duct, nitrogen is passed through into tank body, to vulcanizing tank It is cooled to 150 DEG C or less stoppings and is passed through nitrogen;
S5, most afterwards through injection molding machine injection molding, be placed in baking oven dry, be immersed in after demoulding in saturation quaternary ammonium salt solution, It then takes out, is sufficiently rinsed and dried with deionized water.
Embodiment 2
A kind of environmental protection Medical rubber plug composite material, raw material poidometer by weight are as follows: 58 parts of compounded rubber powder, 25 parts of sulphur, 25 parts of N330 high wear-resistant carbon black, 15 parts of cross-linking aid, 12 parts of filler, 6 parts of compounding agent, 5 parts of stearic acid, chlorination are poly- 3 parts of ethylene, 5 parts of N tert butyl benzothiazole 2 sulfenamide, 9 parts of magnesia, 8 parts of epoxy resin, 16 parts of precipitated calcium carbonate, 5 parts of zinc stearate.
Specifically, the compounded rubber powder includes butadiene-styrene rubber, halogenated butyl rubber, nitrile rubber, isoprene rubber, propylene Acid esters rubber, butadiene-vinylpyridine rubber, silicon rubber, polyurethane rubber.
Specifically, the butadiene-styrene rubber, halogenated butyl rubber, nitrile rubber, isoprene rubber, acrylic rubber, fourth pyrrole Rubber, silicon rubber and polyurethane rubber poidometer by weight are as follows: 15 parts of butadiene-styrene rubber, halogenated butyl rubber 20 Part, 23 parts of nitrile rubber, 9 parts of isoprene rubber, 9 parts of acrylic rubber, 13 parts of butadiene-vinylpyridine rubber, 8 parts of silicon rubber, polyurethane 27 parts of ester rubber.
Specifically, the cross-linking aid polyfunctional group cross-linking aid, filler is the mixing of clay, clay, mica and graphite Object.
Specifically, compounding agent poidometer by weight is as follows: 264 6 parts of anti-aging agents, 45 parts of talcum powder, naphthenic oil 18 Part, 13 parts of resin curative HY-2056 resin, 3 parts of accelerant N a22,5 parts of altax.
A kind of preparation method of environmental protection Medical rubber plug composite material, includes the following steps:
S1: iron filings and impurity will be removed to the compounded rubber powder of vulcanizing treatment electromagnetic method, rubber powder is then crossed 100 Purpose sieve;
S2, masticator is preheated, then wherein by compounded rubber powder investment preheating temperature, is refined to 150 DEG C at 180 DEG C 7min;
S3, by sulphur, high wear-resistant carbon black, filler, stearic acid, haloflex, N- tert-butyl -2-[4-morpholinodithio time sulphonyl Amine, magnesia, epoxy resin, precipitated calcium carbonate, zinc stearate are sequentially added in blender and are stirred evenly, then with compounded rubber Powder, cross-linking aid and compounding agent are added into masticator together, 210 DEG C of refining 16min, then put into adjuvant, 190 DEG C of refinings 8min;
S4, by be kneaded tank body preheat, by mixed material be kneaded tank body in carry out be kneaded formed it is uncrosslinked medical Rubber profile, and 250 DEG C of steam is passed through into mixing tank body by air inlet pipe, and pressure in tank body is kept to react in 3MPa After 120min, stop being passed through steam into tank body, opens the valve of nitrogen inlet duct, nitrogen is passed through into tank body, to vulcanizing tank It is cooled to 150 DEG C or less stoppings and is passed through nitrogen;
S5, most afterwards through injection molding machine injection molding, be placed in baking oven dry, be immersed in after demoulding in saturation quaternary ammonium salt solution, It then takes out, is sufficiently rinsed and dried with deionized water.
A kind of environmentally friendly Medical rubber plug composite material and preparation method provided by the invention, the preparation method is simple, Easily implement;Exudate, the volatile matter etc. of pollution are not generated;
Using Na22 and MD as promotor, constitutes sulfurless curing system and without sulphur promotion system, does not contain sulphur in component, Avoid the pollution of sulphur;
Rubber is composite material, and the performance of corrosion resistance and ageing resistance is strong, extends the service life of rubber stopper.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (6)

1. a kind of environmental protection Medical rubber plug composite material, it is characterised in that: its raw material poidometer by weight is as follows: compound rubber 53-58 parts of rubber powder, 23-25 parts of N330 high wear-resistant carbon black, 12-16 parts of cross-linking aid, 10-13 parts of filler, is matched at 20-27 parts of sulphur 5-9 parts of mixture, 2-8 parts of stearic acid, 1-4 parts of haloflex, 2-8 parts of N tert butyl benzothiazole 2 sulfenamide, magnesia 5-9 parts, 5-8 parts of epoxy resin, 13-16 parts of precipitated calcium carbonate, 1-5 parts of zinc stearate.
2. a kind of environmentally friendly Medical rubber plug composite material according to claim 1, it is characterised in that: the compounded rubber Powder includes butadiene-styrene rubber, halogenated butyl rubber, nitrile rubber, isoprene rubber, acrylic rubber, butadiene-vinylpyridine rubber, silicon rubber, gathers Urethane rubber.
3. a kind of environmentally friendly Medical rubber plug composite material according to claim 2, it is characterised in that: the butylbenzene rubber Glue, halogenated butyl rubber, nitrile rubber, isoprene rubber, acrylic rubber, butadiene-vinylpyridine rubber, silicon rubber and polyurethanes Rubber poidometer by weight is as follows: 12-16 parts of butadiene-styrene rubber, 20-23 parts of halogenated butyl rubber, 18-23 parts of nitrile rubber, different Penta 6-9 parts of rubber, 5-9 parts of acrylic rubber, 9-13 parts of butadiene-vinylpyridine rubber, 5-8 parts of silicon rubber, polyurethane rubber 23- 27 parts.
4. a kind of environmentally friendly Medical rubber plug composite material according to claim 1, it is characterised in that: the cross-linking aid Polyfunctional group cross-linking aid, filler are the mixture of clay, clay, mica and graphite.
5. a kind of environmentally friendly Medical rubber plug composite material according to claim 1, it is characterised in that: the compounding agent is pressed Parts by weight poidometer is as follows: 264 3-6 parts of anti-aging agents, 23-50 parts of talcum powder, 12-20 parts of naphthenic oil, resin curative HY-2056 12-13 parts of resin, 1-3 parts of accelerant N a22,2-5 parts of altax.
6. a kind of preparation method of environmentally friendly Medical rubber plug composite material described in claim 1, it is characterised in that: including such as Lower step:
S1: iron filings and impurity will be removed to the compounded rubber powder of vulcanizing treatment electromagnetic method, rubber powder is then crossed into 10-180 Purpose sieve;
S2, masticator is preheated, preheating temperature is to 120-150 DEG C, then wherein by compounded rubber powder investment, at 160-180 DEG C Refine 5-7min;
S3, by sulphur, high wear-resistant carbon black, filler, stearic acid, haloflex, N tert butyl benzothiazole 2 sulfenamide, Magnesia, epoxy resin, precipitated calcium carbonate, zinc stearate are sequentially added in blender and are stirred evenly, then with compounded rubber powder, hand over Connection auxiliary agent and compounding agent are added into masticator together, 200-210 DEG C of refining 8-16min, then put into adjuvant, and 180-190 DEG C Refine 5-8min;
S4, mixing tank body is preheated, mixed material is carried out being kneaded in being kneaded tank body to form uncrosslinked medical grade rubber Profile, and 180-250 DEG C of steam is passed through to being kneaded in tank body by air inlet pipe, and keep in tank body that pressure is in 1-4MPa, instead After answering 120min, stop being passed through steam into tank body, opens the valve of nitrogen inlet duct, nitrogen is passed through into tank body, wait vulcanize Tank is cooled to 150 DEG C or less stoppings and is passed through nitrogen;
S5, most afterwards through injection molding machine injection molding, be placed in baking oven dry, be immersed in after demoulding in saturation quaternary ammonium salt solution, then It takes out, is sufficiently rinsed and dried with deionized water.
CN201811181655.8A 2018-10-11 2018-10-11 A kind of environmental protection Medical rubber plug composite material and preparation method Withdrawn CN109337347A (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114805957A (en) * 2022-01-19 2022-07-29 江阴市鸿萌橡塑制品有限公司 Rubber plug and method for testing puncture force and clamping force of rubber plug
CN117164922A (en) * 2023-09-20 2023-12-05 安徽中马橡塑科技有限公司 Polytetrafluoroethylene-butyl rubber composite rubber plug for injector and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114805957A (en) * 2022-01-19 2022-07-29 江阴市鸿萌橡塑制品有限公司 Rubber plug and method for testing puncture force and clamping force of rubber plug
CN117164922A (en) * 2023-09-20 2023-12-05 安徽中马橡塑科技有限公司 Polytetrafluoroethylene-butyl rubber composite rubber plug for injector and preparation method thereof

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Application publication date: 20190215