CN107663291A - A kind of small primer of fitting method oil-resistant shoe for being not easy incipient scorch - Google Patents
A kind of small primer of fitting method oil-resistant shoe for being not easy incipient scorch Download PDFInfo
- Publication number
- CN107663291A CN107663291A CN201610610491.0A CN201610610491A CN107663291A CN 107663291 A CN107663291 A CN 107663291A CN 201610610491 A CN201610610491 A CN 201610610491A CN 107663291 A CN107663291 A CN 107663291A
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- China
- Prior art keywords
- oil
- incipient scorch
- small primer
- fitting method
- preferable
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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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
-
- 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
-
- 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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- 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 small primer of fitting method oil-resistant shoe for being not easy incipient scorch, calculate in parts by weight, including butadiene-styrene rubber 90, nitrile rubber 10, sulphur 0.4 0.5, captax 0.1 0.2, zinc oxide 5, magnesia 4, stearic acid 1.5, antioxidant D 1.5 2.5, calcium carbonate 10 20, clay 20 40, pine tar 5, dibutyl ester 15, dark substitute 5, carbon black 20, antiscorching agent YG 1 0.1 0.4.Butylbenzene, nitrile rubber and fluid medium solubility parameter great disparity, have preferable oil resistivity;Softening agent is based on dibutyl ester;Filler loading suitably increases, and contributes to anti-swelling;State of cure (vulcanization) improves, and crosslink density is high, and oil-resistant effect is preferable.With the small primer of formula production, its oil resistance is preferable, and cost is relatively low, adapts to contact the operating environment of oils, and suitable for the protection of oil operations, and process is not susceptible to incipient scorch phenomenon, can greatly improve the security of sizing material processing.
Description
Technical field
The present invention relates to rubber overshoes manufacturing field, is related to the small primer formula of footwear, more particularly to a kind of fitting for being not easy incipient scorch
The small primer of method oil-resistant shoe.
Background technology
Handle, refers to the big bottom less than 38 yards, shoes made of General Purpose Rubber material, and its small primer is usually that natural rubber adds
Upper synthetic rubber, use range is wide, cost is low, but because natural rubber and fluid medium solubility parameter are not greatly different enough, causes
Small primer oil resistivity is poor, and therefore, conventional small primer formula can not be used for the protection boots for contacting oils.
Incipient scorch is a kind of sizing material prevulcanization phenomenon, produce incipient scorch the reason for have:Mismate, such as vulcanizing agent, accelerator
Dosage is too many;Misoperation, as roller temperature is too high, too early add Sulfur or add vulcanizing agent after mixing time it is oversize.It is kneaded uneven
Cause vulcanizing agent and accelerator concentration of local;It is improper that sizing material cooling is parked.Such as park too long, holding area temperature is too high or air
Circulation etc., when there is incipient scorch phenomenon, sizing material is rough, and pitted skin plasticity reduces, and size occurs in sizing material surface when serious
The particle not waited.
Because summer temperature is higher, easily causes oil-resistant shoe vamp rubber and incipient scorch phenomenon occurs when being kneaded and machining, make
Scrapped into sizing material.
The content of the invention
The purpose of the present invention is in view of the shortcomings of the prior art, and to provide a kind of fitting method oil-resistant shoe for being not easy incipient scorch with small
Primer, with the small primer of formula production, its oil resistance is preferable, and cost is relatively low, adapts to the operating environment of oil resistant, is applied to
The protection of oil resistant operation, and process is not susceptible to incipient scorch phenomenon, can greatly improve the security of sizing material processing.
Realizing the technical scheme of the object of the invention is:
A kind of small primer of fitting method oil-resistant shoe for being not easy incipient scorch, is calculated in parts by weight, including
Butadiene-styrene rubber 90, nitrile rubber 10, sulphur 0.4-0.5, captax 0.1-0.2, zinc oxide 5, magnesia 4, stearic acid
1.5th, antioxidant D 1.5-2.5, calcium carbonate 10-20, clay 20-40, pine tar 5, dibutyl ester 15, dark substitute 5, carbon black 20, anti-
Burnt agent YG-1 0.1-0.4.
The advantage of the invention is that:It is combined using butadiene-styrene rubber and nitrile rubber, rubber and fluid medium solubility parameter
Great disparity, there is preferable oil resistivity;Softening agent is based on dibutyl ester, and with part pine tar, dark substitute;Filler calcium carbonate,
Clay dosage suitably increases, and contributes to anti-swelling;State of cure (vulcanization) improves, and crosslink density is high, and oil-resistant effect is preferable.Given birth to the formula
Its oil resistance of the small primer of production is preferable, and cost is relatively low, adapts to contact the operating environment of oils, suitable for the anti-of oil operations
Shield.Gum base ingredients prevent the generation of incipient scorch phenomenon using antiscorching agent YG-1, with the formula produce oil-resistant shoe with small primer not
Incipient scorch phenomenon easily occurs, the security of sizing material processing can be greatly improved.Avoid the sizing material incipient scorch caused by temperature rise, roller temperature are too high
Loss.
Embodiment
Present invention is further elaborated below by embodiment, but is not limitation of the invention.
A kind of small primer of fitting method oil-resistant shoe for being not easy incipient scorch, is calculated in parts by weight, including
Butadiene-styrene rubber 90, nitrile rubber 10, sulphur 0.4-0.5, captax 0.1-0.2, zinc oxide 5, magnesia 4, stearic acid
1.5th, antioxidant D 1.5-2.5, calcium carbonate 10-20, clay 20-40, pine tar 5, dibutyl ester 15, dark substitute 5, carbon black 20, anti-
Burnt agent YG-1 0.1-0.4.
Embodiment:
A kind of small primer of fitting method oil-resistant shoe for being not easy incipient scorch, is calculated in parts by weight, including
It is butadiene-styrene rubber 90, nitrile rubber 10, sulphur 0.45, captax 0.15, zinc oxide 5, magnesia 4, stearic acid 1.5, anti-
Old agent D 1.9, calcium carbonate 15, clay 30, pine tar 5, dibutyl ester 15, dark substitute 5, carbon black 20, antiscorching agent YG-1 0.3.
Preparation method:
The rubber of formula ratio is added in banbury and is kneaded completely, stearic acid, carbon black, accelerator is then added and is mixed in mill
Refining is complete, and age resistor, plasticizer, filler, the antiscorching agent for adding formula ratio continue to be kneaded completely, are eventually adding sulphur mixing
Completely.
Claims (2)
1. a kind of small primer of fitting method oil-resistant shoe for being not easy incipient scorch, is calculated in parts by weight, including:Butadiene-styrene rubber 90, butyronitrile
Rubber 10, sulphur 0.4-0.5, captax 0.1-0.2, zinc oxide 5, magnesia 4, stearic acid 1.5, antioxidant D 1.5-2.5,
Calcium carbonate 10-20, clay 20-40, pine tar 5, dibutyl ester 15, dark substitute 5, carbon black 20, antiscorching agent YG-1 0.1-0.4.
2. the small primer of the fitting method oil-resistant shoe according to claim 1 for being not easy incipient scorch, it is characterised in that according to weight
Part calculates, including:Butadiene-styrene rubber 90, nitrile rubber 10, sulphur 0.45, captax 0.15, zinc oxide 5, magnesia 4, tristearin
Acid 1.5, antioxidant D 1.9, calcium carbonate 15, clay 30, pine tar 5, dibutyl ester 15, dark substitute 5, carbon black 20, antiscorching agent YG-1
0.3。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610610491.0A CN107663291A (en) | 2016-07-29 | 2016-07-29 | A kind of small primer of fitting method oil-resistant shoe for being not easy incipient scorch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610610491.0A CN107663291A (en) | 2016-07-29 | 2016-07-29 | A kind of small primer of fitting method oil-resistant shoe for being not easy incipient scorch |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107663291A true CN107663291A (en) | 2018-02-06 |
Family
ID=61115534
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610610491.0A Withdrawn CN107663291A (en) | 2016-07-29 | 2016-07-29 | A kind of small primer of fitting method oil-resistant shoe for being not easy incipient scorch |
Country Status (1)
Country | Link |
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CN (1) | CN107663291A (en) |
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2016
- 2016-07-29 CN CN201610610491.0A patent/CN107663291A/en not_active Withdrawn
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Legal Events
Date | Code | Title | Description |
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PB01 | Publication | ||
PB01 | Publication | ||
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180206 |