CN104927424A - Emulsion composition with high tensile strength - Google Patents
Emulsion composition with high tensile strength Download PDFInfo
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- CN104927424A CN104927424A CN201410110139.1A CN201410110139A CN104927424A CN 104927424 A CN104927424 A CN 104927424A CN 201410110139 A CN201410110139 A CN 201410110139A CN 104927424 A CN104927424 A CN 104927424A
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- composition
- emulsion composition
- tensile strength
- high tensile
- silicon rubber
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Abstract
The invention relates to an emulsion composition with high tensile strength. The emulsion composition comprises the following components in percentage by weight: 80-90% of butadiene, 2-5% of 2-acrylamide-2-methyl propanesulfonic acid, 5-10% of the composition of glycidyl ester and glycidyl amine resin, and 2-5% of polyurethane. The emulsion composition disclosed by the invention has favorable tensile strength and favorable elongation rate; emulsion is immersed into a coagulant, so that solidification is promoted, the elasticity is good, and the service life is long.
Description
Technical field
The present invention relates to a kind of latex composition of high tensile.
Background technology
Silicon rubber foam, because thermotolerance, weathering resistance are excellent, light weight, therefore this characteristic of can applying in a flexible way is used as the trolley parts such as packing material, packing ring, 0 type ring; The surface-coated material of duplicating machine roller; Various sealing materials etc.Originally, in order to form this silicon rubber foam, following multiple combination thing is proposed.Such as, examined patent publication 44-461 and No. 7-M7436, Unexamined Patent propose that to coordinate with Diisopropyl azodicarboxylate be the silicon rubber foam formation composition that the heat decomposition type organic blowing agent of representative is formed, it is thermoplastics that Unexamined Patent 5-209080 proposes shell, coordinates the silicon rubber foam formation composition that the bubble including the volatile hydrocarbon such as butane or Trimethylmethane is formed.But, heat decomposition type organic blowing agent and pyrolysate unhygienic.In addition, during heating, heat decomposition type whipping agent decomposes, there is the whipping agent of gas, or thermal expansivity bubble is as whipping agent, in airtight compacted under, compressed moulding difficulty, tend to the moulded products forming simple shape, and have problems for the moulded products with complicated shape, its purposes is limited.JP M-135865 proposes and is made up of the diorganopolysiloxanecompositions containing thiazolinyl, organic hydride polysiloxane, a small amount of water and molybdenum class catalyzer, when being undertaken crosslinked by hydrogen silylation, react the hydrogen occurred and the silicon rubber foam formation composition foamed by this organic hydride polysiloxane and water; Unexamined Patent 5-70692 proposes the silicon rubber foam formation composition using liquid alcohol to replace water; Unexamined Patent 11-130963 proposes the hydrogen silylation reactive crosslinkable composite that diorganopolysiloxanecompositions, organic hydride polysiloxane and molybdenum class catalyzer containing thiazolinyl are formed, and the silicon rubber foam foamed by excessive organic hydride polysiloxane and water and 1 yuan or polyvalent alcohol is formed uses composition.These hydrogen silylation reactive bridging properties, i.e. addition reaction curing silicon rubber foam formation composition, during any one solidification, the hydrogen of generation is as whipping agent, poor stability.But, compressed moulding or inject shaping in, because material is different and cause the uneven Uniform of eyed structure to the import volume of cavity, or mold component size is different from molded posterior section size and cause the problem of deteriorated dimensional accuracy to produce.JP 7-122000 indicates the latex formed containing organopolysiloxane, emulsifying agent, water and adhesion agent, as whipping agent, utilizes evaporation of water, expansion and the silicon rubber foam formation composition that foams; JP 2002-114860 indicates the hydrogen silylation reactive bridging property that diorganopolysiloxanecompositions, organic hydride polysiloxane and molybdenum class catalyzer containing thiazolinyl are formed, i.e. addition reaction curing composition, it is the silicon rubber foam formation composition comprising moisture water-absorbing polymer powder, be suitable for compressed moulding purposes, sponge formed body precision as moulded products is excellent, but there is the fineness in pond and the problem of the equal Uniform shortcoming of mesh.JP 59-U832 indicates the condensation reaction curing silicon latex freezing solidification in addition that two terminal hydroxyl end-blocking diorganopolysiloxanecompositions and organotin catalysts are formed, after thawing except anhydrating, manufacture the method for silicon rubber foam, but in the method, for energy that is freezing, that thaw is many and the time is long, production efficiency worsens, and because containing organotin catalysts, therefore there is the bad problem of thermotolerance.On the other hand, hydrogen silylation reactive bridging property, i.e. addition reaction curing silicon rubber latex, and be known from the method for this latex manufacture silicon rubber and film, but addition reaction curing latex composition for silicon rubber sponge, and also do not know from the method for this latex manufacture silicon rubber foam.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of latex composition of high tensile, said composition comprises by the composition of mass percentage: divinyl 80-90%; 2-acrylamide-2-methyl propane sulfonic 2-5%; The composition 5-10% of glycidyl ether, glycidyl esters and glycidyl amine resins; Urethane 2-5%.
beneficial effect
The present invention has good tensile strength and elongation, and latex immerses in setting accelerator, promotes to solidify, good springiness, long service life.
Embodiment
The invention provides a kind of latex composition of high tensile, said composition comprises by the composition of mass percentage: divinyl 80-90%; 2-acrylamide-2-methyl propane sulfonic 2-5%; The composition 5-10% of glycidyl ether, glycidyl esters and glycidyl amine resins; Urethane 2-5%.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection domain of claim.
Claims (1)
1. a latex composition for high tensile, is characterized in that: comprise by the composition of mass percentage: divinyl 80-90%; 2-acrylamide-2-methyl propane sulfonic 2-5%; The composition 5-10% of glycidyl ether, glycidyl esters and glycidyl amine resins; Urethane 2-5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410110139.1A CN104927424A (en) | 2014-03-21 | 2014-03-21 | Emulsion composition with high tensile strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410110139.1A CN104927424A (en) | 2014-03-21 | 2014-03-21 | Emulsion composition with high tensile strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104927424A true CN104927424A (en) | 2015-09-23 |
Family
ID=54114861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410110139.1A Pending CN104927424A (en) | 2014-03-21 | 2014-03-21 | Emulsion composition with high tensile strength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104927424A (en) |
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2014
- 2014-03-21 CN CN201410110139.1A patent/CN104927424A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150923 |
|
| WD01 | Invention patent application deemed withdrawn after publication |