CN105949632A - Chemical-corrosion-resistant butyl rubber plug and preparation method thereof - Google Patents
Chemical-corrosion-resistant butyl rubber plug and preparation method thereof Download PDFInfo
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- CN105949632A CN105949632A CN201610452083.7A CN201610452083A CN105949632A CN 105949632 A CN105949632 A CN 105949632A CN 201610452083 A CN201610452083 A CN 201610452083A CN 105949632 A CN105949632 A CN 105949632A
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- Prior art keywords
- butyl rubber
- resistance
- chemical attack
- bung
- chemical
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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
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
- C08L23/283—Halogenated homo- or copolymers of iso-olefins
-
- 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
- C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
- C08L23/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefins
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
- C08L2312/04—Crosslinking with phenolic resin
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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)
- General Chemical & Material Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a chemical-corrosion-resistant butyl rubber plug which is prepared from the following raw materials in percentage by weight: 30-50% of butyl rubber or halogenated butyl rubber, 2-15% of polyolefin, 0.3-1% of crosslinking agent, 1-5% of accelerator, 30-50% of filler and 1-3% of colorant. The invention also provides a preparation method of the chemical-corrosion-resistant butyl rubber plug. The chemical-corrosion-resistant butyl rubber plug has the advantages of no need of chemical extraction, acceptable chemical indexes, favorable compatibility with alkaline drugs, and favorable effects especially for acyclovir drugs. The chemical-corrosion-resistant butyl rubber plug can be produced by using the common halogenated butyl rubber plug production technique without adding other equipment.
Description
Technical field
The invention belongs to medical material tech field, particularly relate to a kind of resistance to chemical attack butyl rubber bung and
Preparation method.
Background technology
The most widely used halogenated butyl rubber plug is poor with the compatibility of alkalescent medicine, general producer
Select to use overlay film halogenated butyl rubber plug, although this method can be effectively prevented from particulate matter and increase,
But overlay film halogenated butyl rubber plug is relatively costly, and production technology is more complicated, and it is more to there is puncture exfoliation
Risk.Therefore for alkalescent medicine such as injection omeprazole sodium (pH value 10.7), inosine injection (PH
Value 9.3), doxofylline, the special halogenated butyl rubber plug such as acyclovir Flos Carthami flavochrome research the tightest
Want.
Summary of the invention
In view of this, it is a kind of good with the compatibility of alkalescent medicine to the invention provides, simple resistance toization of production technology
Learn corrosion butyl rubber bung and preparation method thereof.
First aspect present invention provides a kind of resistance to chemical attack butyl rubber bung, and its raw material includes following components:
By weight percentage, butyl rubber or halogenated butyl rubber 30～50%, polyolefin 2～15%, cross-linking agent
0.3～1%, accelerator 1～5%, filler 30～50%, coloring agent 1～3%.
Second aspect present invention provides the preparation method of above-mentioned resistance to chemical attack butyl rubber bung, and step includes:
After each raw material is mixed at 110 DEG C-150 DEG C, compression molding or injection moulding.
The invention has the beneficial effects as follows: present invention is aiming at a kind of alkaline-resisting formula of alkalescent medicine research and development
Halogenated butyl rubber plug, this formula is not required to extract through chemistry, and every chemical index is the most qualified, most important
It is that this alkaline-resisting formula is preferable with the compatibility of alkalescent medicine, preferable especially for acyclovir medicine effect.This
Bright formula uses the production technology of common halogenated butyl rubber plug to produce, it is not necessary to increase other equipment, technique
Simply, it is easy to accomplish industrialization.
Detailed description of the invention
First aspect present invention provides a kind of resistance to chemical attack butyl rubber bung, and its raw material includes following components:
By weight percentage, butyl rubber or halogenated butyl rubber 30～50%, polyolefin 2～15%, cross-linking agent
0.3～1%, accelerator 1～5%, filler 30～50%, coloring agent 1～3%.
Butyl rubber or halogenated butyl rubber are the material of main parts of formula, and other materials is all according to this main body material
The performance of material and the characteristic of product needed select kind and consumption, in order to make material possess more preferable chemically-resistant
Property, selecting to add polyolefin, concrete adding proportion makes material of main part ensure while elasticity to possess good resistance to
Chemical, accelerator is necessary to promotion cross-linking agent reacts, it is ensured that the generation of cross-linking reaction and reaction
Speed.Filler is to require to select kind according to product specific performance, simultaneously works as reducing the effect of cost,
Addition determines with the minimum dosage meeting performance according to the research on maximum utilized quantity less than national standard.
Preferably, described halogenated butyl rubber includes brombutyl or chlorinated scoline.
More preferably, the viscosity-average molecular weight of described halogenated butyl rubber is 30-45 ten thousand, Mooney viscosity
ML1+8,125 DEG C is 30-60MU, and degree of unsaturation is 0.1-3.0mol%, halogen mass content be 0.5%～
3.0%.
It is further preferred that the viscosity-average molecular weight of described halogenated butyl rubber is 350,000, Mooney viscosity
ML1+8,125 DEG C is 40-50MU.
Butyl rubber or halogenated butyl rubber are the material of main parts of formula, and the physicochemical property of material of main part affects other
The selection of constituent species and each other synergism, thus product attribute is produced impact.
Preferably, at least two during described filler includes potter's clay, barium sulfate, white carbon, calcium carbonate.
Preferably, described cross-linking agent includes in benzene tertiary pentyl persulfide, phenolic resin, sulfur-containing compound
One or more mixing.
Preferably, described accelerator includes metal-oxide and stearic acid.
Preferably, described coloring agent includes titanium dioxide and carbon black.
Second aspect present invention provides the preparation method of resistance to chemical attack butyl rubber bung, and step includes: will be each
After raw material mixes at 110 DEG C-150 DEG C, compression molding or injection moulding.
Preferably, each raw material mixes at 120 DEG C-140 DEG C.
Component according to resistance to chemical attack butyl rubber bung and proportioning, carry out the preparation of plug at a certain temperature,
Ensure the superperformance of product, and use the production technology of common halogenated butyl rubber plug to produce, it is not necessary to increase
Add other equipment.
The resistance to chemical attack butyl rubber bung present invention provided below in conjunction with specific embodiment and preparation side thereof
Method is further described.The embodiments described below is exemplary, is only used for explaining the present invention, and can not
It is interpreted as limitation of the present invention.
Experimental technique in following embodiment, if no special instructions, is conventional method.Institute in following embodiment
Experiment material if no special instructions, be market and be commercially available.
Embodiment 1
Present embodiments providing a kind of resistance to chemical attack butyl rubber bung, its raw material includes following components: with weight
Percentages, halogenated butyl rubber 50%, polyolefin 6%, cross-linking agent 0.6%, accelerator 2.4%, fill
Agent 40%, coloring agent 1%.
Wherein, described halogenated butyl rubber is chlorinated scoline；Halogenated butyl rubber viscosity-average molecular weight is 30
Ten thousand, Mooney viscosity ML1+8 (125 DEG C) are 38MU, and the degree of unsaturation of 1.0mol%, content of halogen
It is 1.3% (weight).
Described cross-linking agent is to benzene tertiary pentyl persulfide；
Described filler is potter's clay and the barium sulfate of 60% of 40%；
Described accelerator is metal-oxide and the stearic acid of 25% of 75%；
Described coloring agent is the carbon black of 90% titanium dioxide and 10%.
Above-mentioned resistance to chemical attack butyl rubber bung is prepared by the following method, and step includes:
Each material above-mentioned is blended by banbury, mixes at 120 DEG C, with compression molding or injection
Mode molding.
Elastic good by the gained resistance to chemical attack butyl rubber bung of above formula and method gained and with alkalescence medicine
The compatibility of thing is good, preferable especially for acyclovir medicine effect.
Embodiment 2
Present embodiments providing a kind of resistance to chemical attack butyl rubber bung, its raw material includes following components: with weight
Percentages, halogenated butyl rubber 45%, polyolefin 11%, cross-linking agent 0.6%, accelerator 2.4%, fill
Agent 40%, coloring agent 1%.
Wherein, described halogenated butyl rubber is brombutyl；Halogenated butyl rubber viscosity-average molecular weight is 34
Ten thousand, Mooney viscosity ML1+8 (125 DEG C) are 40MU, and the degree of unsaturation of 0.1mol%, content of halogen
It is 0.5% (weight).
Described cross-linking agent is phenolic resin；
Described filler is potter's clay and the white carbon of 68% of 32%；
Described accelerator is metal-oxide and the stearic acid of 17% of 83%；
Described coloring agent is the carbon black of 84% titanium dioxide and 16%.
Above-mentioned resistance to chemical attack butyl rubber bung is prepared by the following method, and step includes:
Each material above-mentioned is blended by banbury, mixes at 130 DEG C, with compression molding or injection
Mode molding.
Elastic good by the gained resistance to chemical attack butyl rubber bung of above formula and method gained and with alkalescence medicine
The compatibility of thing is good, preferable especially for acyclovir medicine effect.
Embodiment 3
Present embodiments providing a kind of resistance to chemical attack butyl rubber bung, its raw material includes following components: with weight
Percentages, halogenated butyl rubber 40%, polyolefin 8%, cross-linking agent 0.3%, accelerator 3%, filler
48%, coloring agent 0.7%.
Wherein, described halogenated butyl rubber is brombutyl；Halogenated butyl rubber viscosity-average molecular weight is 38
Ten thousand, Mooney viscosity ML1+8 (125 DEG C) are 44MU, and the degree of unsaturation of 2.0mol%, content of halogen
It is 1.2% (weight).
Described cross-linking agent is sulfur-containing compound；
Described filler is calcium carbonate and the white carbon of 53% of 47%；
Described accelerator is metal-oxide and the stearic acid of 26% of 74%；
Described coloring agent is the carbon black of 72% titanium dioxide and 28%.
Above-mentioned resistance to chemical attack butyl rubber bung is prepared by the following method, and step includes:
Each material above-mentioned is blended by banbury, mixes at 140 DEG C, with compression molding or injection
Mode molding.
Elastic good by the resistance to chemical attack butyl rubber bung of above formula and method gained and with alkalescent medicine
The compatibility is good, preferable especially for acyclovir medicine effect.
Embodiment 4
Present embodiments providing a kind of resistance to chemical attack butyl rubber bung, its raw material includes following components: with weight
Percentages, halogenated butyl rubber 35%, polyolefin 15%, cross-linking agent 0.6%, accelerator 3%, filler
45%, coloring agent 1.4%.
Wherein, described halogenated butyl rubber is chlorinated scoline；Halogenated butyl rubber viscosity-average molecular weight is 42
Ten thousand, Mooney viscosity ML1+8 (125 DEG C) are 48MU, and the degree of unsaturation of 3.0mol%, content of halogen
It is 1.3% (weight).
Described cross-linking agent is to benzene tertiary pentyl persulfide and the mixture of phenolic resin；
Described filler is potter's clay and the calcium carbonate of 62% of 38%；
Described accelerator is metal-oxide and the stearic acid of 23% of 77%；
Described coloring agent is the carbon black of 75% titanium dioxide and 25%.
Above-mentioned resistance to chemical attack butyl rubber bung is prepared by the following method, and step includes:
Each material above-mentioned is blended by banbury, mixes at 145 DEG C, with compression molding or injection
Mode molding.
Elastic good by the resistance to chemical attack butyl rubber bung of above formula and method gained and with alkalescent medicine
The compatibility is good, preferable especially for acyclovir medicine effect.
Embodiment 5
Present embodiments providing a kind of resistance to chemical attack butyl rubber bung, its raw material includes following components: with weight
Percentages, butyl rubber 35%, polyolefin 15%, cross-linking agent 0.6%, accelerator 3%, filler 45%,
Coloring agent 1.4%.
Wherein, described halogenated butyl rubber is brombutyl；Halogenated butyl rubber viscosity-average molecular weight is 45
Ten thousand, Mooney viscosity ML1+8 (125 DEG C) are 54MU, and the degree of unsaturation of 2.8mol%, content of halogen
It is 1.6% (weight).
Described cross-linking agent is the mixture of phenolic resin and sulfur-containing compound；
Described filler is barium sulfate and the calcium carbonate of 58% of 42%；
Described accelerator is metal-oxide and the stearic acid of 34% of 66%；
Described coloring agent is the carbon black of 87% titanium dioxide and 13%.
Above-mentioned resistance to chemical attack butyl rubber bung is prepared by the following method, and step includes:
Each material above-mentioned is blended by banbury, mixes at 145 DEG C, with compression molding or injection
Mode molding.
Elastic good by the resistance to chemical attack butyl rubber bung of above formula and method gained and with alkalescent medicine
The compatibility is good, preferable especially for acyclovir medicine effect.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included in the protection of the present invention
Within the scope of.
Claims (10)
1. a resistance to chemical attack butyl rubber bung, it is characterised in that: its raw material includes following components: with weight
Amount percentages, butyl rubber or halogenated butyl rubber 30～50%, polyolefin 2～15%, cross-linking agent 0.3～
1%, accelerator 1～5%, filler 30～50%, coloring agent 1～3%.
2. resistance to chemical attack butyl rubber bung as claimed in claim 1, it is characterised in that: described halogenation fourth
Base rubber includes brombutyl or chlorinated scoline.
3. resistance to chemical attack butyl rubber bung as claimed in claim 2, it is characterised in that: described halogenation fourth
The viscosity-average molecular weight of base rubber is 30-45 ten thousand, Mooney viscosity ML1+8, and 125 DEG C is 30-60MU, unsaturated
Degree is 0.1-3.0mol%, and halogen mass content is 0.5%～3.0%.
4. resistance to chemical attack butyl rubber bung as claimed in claim 3, it is characterised in that: described halogenation fourth
The viscosity-average molecular weight of base rubber is 350,000, Mooney viscosity ML1+8, and 125 DEG C is 40-55MU.
5. resistance to chemical attack butyl rubber bung as claimed in claim 1, it is characterised in that: described filler
Including at least two in potter's clay, barium sulfate, white carbon, calcium carbonate.
6. resistance to chemical attack butyl rubber bung as claimed in claim 1, it is characterised in that: described cross-linking agent
Including to one or more mixing in benzene tertiary pentyl persulfide, phenolic resin, sulfur-containing compound.
7. resistance to chemical attack butyl rubber bung as claimed in claim 1, it is characterised in that: described accelerator
Including metal-oxide and stearic acid.
8. resistance to chemical attack butyl rubber bung as claimed in claim 1, it is characterised in that: described coloring agent
Including titanium dioxide and carbon black.
9. the preparation of the resistance to chemical attack butyl rubber bung as described in claim 1 to 8 any one claim
Method, it is characterised in that: step includes: after being mixed at 110 DEG C-150 DEG C by each raw material, compression molding or
Person's injection moulding.
10. the preparation method of resistance to chemical attack butyl rubber bung as claimed in claim 9, its feature exists
In: step includes: each raw material mixes at 120 DEG C-140 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610452083.7A CN105949632A (en) | 2016-06-21 | 2016-06-21 | Chemical-corrosion-resistant butyl rubber plug and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610452083.7A CN105949632A (en) | 2016-06-21 | 2016-06-21 | Chemical-corrosion-resistant butyl rubber plug and preparation method thereof |
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| CN105949632A true CN105949632A (en) | 2016-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610452083.7A Pending CN105949632A (en) | 2016-06-21 | 2016-06-21 | Chemical-corrosion-resistant butyl rubber plug and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110330732A (en) * | 2019-05-20 | 2019-10-15 | 浙江贝斯特医用科技有限公司 | Without zinc hemostix butyl rubber bung and its manufacturing process |
| CN110330731A (en) * | 2019-05-20 | 2019-10-15 | 浙江贝斯特医用科技有限公司 | Inexpensive hemostix butyl rubber bung and its manufacturing process |
| CN110684289A (en) * | 2019-09-10 | 2020-01-14 | 武汉华利浦防腐工程有限公司 | Chromic acid corrosion resistant rubber and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1821301A (en) * | 2006-01-20 | 2006-08-23 | 华东理工大学 | Sulfurizing system and chlorinated isobutylene rubber/polyolefine thermoplastic elastomer |
| CN1834142A (en) * | 2006-03-03 | 2006-09-20 | 四川大学 | Blend sulfurized compound damping material of butyl rubber/chlorinated polyethylene olefin and prepn. process |
| CN103601992A (en) * | 2013-11-06 | 2014-02-26 | 随州利康药业包装有限公司 | Preparation process of environment-friendly type halogenated butyl rubber plug |
-
2016
- 2016-06-21 CN CN201610452083.7A patent/CN105949632A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1821301A (en) * | 2006-01-20 | 2006-08-23 | 华东理工大学 | Sulfurizing system and chlorinated isobutylene rubber/polyolefine thermoplastic elastomer |
| CN1834142A (en) * | 2006-03-03 | 2006-09-20 | 四川大学 | Blend sulfurized compound damping material of butyl rubber/chlorinated polyethylene olefin and prepn. process |
| CN103601992A (en) * | 2013-11-06 | 2014-02-26 | 随州利康药业包装有限公司 | Preparation process of environment-friendly type halogenated butyl rubber plug |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110330732A (en) * | 2019-05-20 | 2019-10-15 | 浙江贝斯特医用科技有限公司 | Without zinc hemostix butyl rubber bung and its manufacturing process |
| CN110330731A (en) * | 2019-05-20 | 2019-10-15 | 浙江贝斯特医用科技有限公司 | Inexpensive hemostix butyl rubber bung and its manufacturing process |
| CN110684289A (en) * | 2019-09-10 | 2020-01-14 | 武汉华利浦防腐工程有限公司 | Chromic acid corrosion resistant rubber and preparation method thereof |
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Application publication date: 20160921 |
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