CN107841147A - No blooming not bleed hot press moulding conduction button silicon rubber and preparation method thereof - Google Patents
No blooming not bleed hot press moulding conduction button silicon rubber and preparation method thereof Download PDFInfo
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- CN107841147A CN107841147A CN201711188658.XA CN201711188658A CN107841147A CN 107841147 A CN107841147 A CN 107841147A CN 201711188658 A CN201711188658 A CN 201711188658A CN 107841147 A CN107841147 A CN 107841147A
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- parts
- blooming
- silicon rubber
- hot press
- press moulding
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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
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7476—Systems, i.e. flow charts or diagrams; Plants
- B29B7/7495—Systems, i.e. flow charts or diagrams; Plants for mixing rubber
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/267—Magnesium carbonate
-
- 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
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Push-Button Switches (AREA)
- Manufacture Of Switches (AREA)
Abstract
The invention provides no blooming not bleed hot press moulding conduction button silicon rubber, include each component of following parts by weight：Methyl vinyl silicone rubber:100 parts, 30 80 parts of T150A white carbons, hydroxy silicon oil:0.5 2 parts, fluorine element internal mold release:0.1 1 parts, defrosting compound agent:15 parts.The no blooming not bleed hot press moulding conduction button silicon rubber and preparation method thereof, by adjusting production technology and formula, reduce the amount of small-molecule substance, substitute traditional zinc stearate class inner pattern releasing agent applicable using fluorine element releasing agent, and caused small-molecule substance when adding silicon rubber defrosting compound to reduce silastic product vulcanization, so as to while silicon rubber basic performance is not influenceed so that silastic press key no blooming not bleed in long-term use, do not influence the use of button.
Description
Technical field
The present invention relates to silica gel technical field, in particular it relates to no blooming not bleed hot press moulding conduction button silicon rubber
And preparation method thereof.
Background technology
Silicon rubber has inorganic and organic nature high polymer material concurrently, is the chain structure being linked to be by Si-O (silicon-oxygen) key,
Si-O bond energys are 443.5KJ/MOL, more much higher than C-C bond energy (355KJ/MOL), and because of its unique molecular structure so that silicon rubber
Glue has more preferable heat resistance, weatherability etc. than other General Purpose Rubbers.Again because being introduced on its molecular side chain minimal amount of
Undersaturated vinyl and organic group so that the rebound performance of silicon rubber is relatively good, is suitable for doing button class product.It is but general
Logical silicon rubber is due to caused small molecule during the low molecule and silicon rubber vulcanization in inner pattern releasing agent applicable therein, silica gel itself
Caused small-molecule substance can precipitate into keytop in material and sulfidation, cause the phenomenon of keytop bloom bleed,
The electric conductivity of button is influenceed, causes silica gel push-button failure.
Therefore, bleed no blooming silicon rubber does not have very high economic value and good market prospects for research and development.
The content of the invention
Present invention aims at provide a kind of no blooming not bleed hot press moulding conduction button for prior art deficiency
Silicon rubber and preparation method thereof, by adjusting production technology and formula, the amount of small-molecule substance is reduced, taken using fluorine element releasing agent
For traditional zinc stearate class inner pattern releasing agent applicable, and it is caused small when silastic product vulcanizes to reduce to add silicon rubber defrosting compound
Molecular substance, so as to while silicon rubber basic performance is not influenceed so that no blooming is not in long-term use for silastic press key
Bleed, the use of button is not influenceed.
In order to solve the above-mentioned technical problem, technical scheme is as follows：No blooming not press by bleed hot press moulding conduction
Key silicon rubber, include each component of following parts by weight：Methyl vinyl silicone rubber:100 parts, T150A white carbon 30-80 parts, hydroxyl
Base silicone oil:0.5-2 parts, fluorine element internal mold release:0.1-1 parts, defrosting compound agent:1-5 parts.
It is preferred that no blooming not bleed hot press moulding conduction button silicon rubber, include each component of following parts by weight：Methyl
Vinylsiloxane rubber:100 parts, T150A white carbon 40-70 parts, hydroxy silicon oil:0.5-1 parts, fluorine element internal mold release:0.1-0.8
Part, defrosting compound agent:2-4 parts.
No blooming not bleed hot press moulding conduction button silicon rubber, include each component of following parts by weight：Methyl ethylene
Silicon rubber:100 parts, 50 parts of T150A white carbons, hydroxy silicon oil:1.5 parts, fluorine element internal mold release:0.3 part, defrosting compound:2 parts.
The defrosting compound selects magnesium carbonate.
The preparation method of the no blooming not bleed hot press moulding conduction button silicon rubber, comprises the following steps：
(1) each component is weighed by formula；
(2) methyl vinyl silicone rubber is put into kneader；
(3) T150A white carbons are added in kneader in batches and mediated, and hydroxy silicon oil is added in kneading process, fluorine element
Internal mold release and defrosting compound；
(4) temperature is controlled in 140-200 DEG C of constant temperature 30-100 minute, vacuum 30-60 minutes；High temperature goes out after 80-150 minutes
Material；
(5) the no blooming not bleed hot press moulding conduction button silicon rubber is obtained after filtering.
With the no blooming button that not prepared by bleed hot press moulding conduction button silicon rubber.
Beneficial effects of the present invention are as follows：No blooming of the present invention not bleed hot press moulding conduction button silicon rubber and
Its preparation method, by adjusting production technology and formula, the amount of small-molecule substance is reduced, substituted using fluorine element releasing agent traditional
Zinc stearate class inner pattern releasing agent applicable, and silicon rubber defrosting compound is added to reduce caused small molecule thing when silastic product vulcanizes
Matter, so as to while silicon rubber basic performance is not influenceed so that silastic press key no blooming not bleed in long-term use, no
Influence the use of button.
Embodiment
With reference to embodiment, the present invention is further illustrated, and this is presently preferred embodiments of the present invention.
Embodiment one
No blooming not bleed hot press moulding conduction button silicon rubber, include each component of following parts by weight：Methyl ethylene
Silicon rubber:100 parts, 80 parts of T150A white carbons, hydroxy silicon oil:1 part, fluorine element internal mold release:0.1 part, defrosting compound agent:3 parts.
The defrosting compound selects magnesium carbonate
The preparation method of the no blooming not bleed hot press moulding conduction button silicon rubber, comprises the following steps：
(1) each component is weighed by formula；
(2) methyl vinyl silicone rubber is put into kneader；
(3) T150A white carbons are added in kneader in batches and mediated, and hydroxy silicon oil is added in kneading process, fluorine element
Internal mold release and defrosting compound；
(4) temperature is controlled in 140 DEG C of constant temperature 80 minutes, vacuum 30 minutes；High temperature discharges after 80 minutes；
(5) the no blooming not bleed hot press moulding conduction button silicon rubber is obtained after filtering.
Embodiment two
No blooming not bleed hot press moulding conduction button silicon rubber, include each component of following parts by weight：Methyl ethylene
Silicon rubber:100 parts, 50 parts of T150A white carbons, hydroxy silicon oil:0.5 part, fluorine element internal mold release:0.5 part, defrosting compound agent:1
Part.The defrosting compound selects magnesium carbonate.
The preparation method of the no blooming not bleed hot press moulding conduction button silicon rubber, comprises the following steps：
(1) each component is weighed by formula；
(2) methyl vinyl silicone rubber is put into kneader；
(3) T150A white carbons are added in kneader in batches and mediated, and hydroxy silicon oil is added in kneading process, fluorine element
Internal mold release and defrosting compound；
(4) temperature is controlled in 160 DEG C of constant temperature 100 minutes, vacuum 60 minutes；High temperature discharges after 100 minutes；
(5) the no blooming not bleed hot press moulding conduction button silicon rubber is obtained after filtering.
Embodiment three
No blooming not bleed hot press moulding conduction button silicon rubber, include each component of following parts by weight：Methyl ethylene
Silicon rubber:100 parts, 30 parts of T150A white carbons, hydroxy silicon oil:2 parts, fluorine element internal mold release:1 part, defrosting compound agent:5 parts.Institute
State defrosting compound and select magnesium carbonate.
The preparation method of the no blooming not bleed hot press moulding conduction button silicon rubber, comprises the following steps：
(1) each component is weighed by formula；
(2) methyl vinyl silicone rubber is put into kneader；
(3) T150A white carbons are added in kneader in batches and mediated, and hydroxy silicon oil is added in kneading process, fluorine element
Internal mold release and defrosting compound；
(4) temperature is controlled in 200 DEG C of constant temperature 30 minutes, vacuum 60 minutes；High temperature discharges after 150 minutes；
(5) the no blooming not bleed hot press moulding conduction button silicon rubber is obtained after filtering.
Example IV
No blooming not bleed hot press moulding conduction button silicon rubber, include each component of following parts by weight：Methyl ethylene
Silicon rubber:100 parts, 40 parts of T150A white carbons, hydroxy silicon oil:0.5 part, fluorine element internal mold release:0.8 part, defrosting compound agent:3
Part.The defrosting compound selects magnesium carbonate.
The preparation method of the no blooming not bleed hot press moulding conduction button silicon rubber, comprises the following steps：
(1) each component is weighed by formula；
(2) methyl vinyl silicone rubber is put into kneader；
(3) T150A white carbons are added in kneader in batches and mediated, and hydroxy silicon oil is added in kneading process, fluorine element
Internal mold release and defrosting compound；
(4) temperature is controlled in 180 DEG C of constant temperature 30-100 minutes, vacuum 30-50 minutes；High temperature discharges after 80 minutes；
(5) the no blooming not bleed hot press moulding conduction button silicon rubber is obtained after filtering.
Embodiment five
No blooming not bleed hot press moulding conduction button silicon rubber, include each component of following parts by weight：Methyl ethylene
Silicon rubber:100 parts, 60 parts of T150A white carbons, hydroxy silicon oil:0.7 part, fluorine element internal mold release:0.5 part, defrosting compound agent:4
Part.The defrosting compound selects magnesium carbonate.
The preparation method of the no blooming not bleed hot press moulding conduction button silicon rubber, comprises the following steps：
(1) each component is weighed by formula；
(2) methyl vinyl silicone rubber is put into kneader；
(3) T150A white carbons are added in kneader in batches and mediated, and hydroxy silicon oil is added in kneading process, fluorine element
Internal mold release and defrosting compound；
(4) temperature is controlled in 150 DEG C of constant temperature 60 minutes, vacuum 45 minutes；High temperature discharges after 120 minutes；
(5) the no blooming not bleed hot press moulding conduction button silicon rubber is obtained after filtering.
Embodiment six
No blooming not bleed hot press moulding conduction button silicon rubber, include each component of following parts by weight：Methyl ethylene
Silicon rubber:100 parts, 70 parts of T150A white carbons, hydroxy silicon oil:1 part, fluorine element internal mold release:0.8 part, defrosting compound agent:2 parts.
The defrosting compound selects magnesium carbonate.
The preparation method of the no blooming not bleed hot press moulding conduction button silicon rubber, comprises the following steps：
(1) each component is weighed by formula；
(2) methyl vinyl silicone rubber is put into kneader；
(3) T150A white carbons are added in kneader in batches and mediated, and hydroxy silicon oil is added in kneading process, fluorine element
Internal mold release and defrosting compound；
(4) temperature is controlled in 160 DEG C of constant temperature 80 minutes, vacuum 45 minutes；High temperature discharges after 100 minutes；
(5) the no blooming not bleed hot press moulding conduction button silicon rubber is obtained after filtering.
Embodiment seven
No blooming not bleed hot press moulding conduction button silicon rubber, include each component of following parts by weight：Methyl ethylene
Silicon rubber:100 parts, 50 parts of T150A white carbons, hydroxy silicon oil:1.5 parts, fluorine element internal mold release:0.3 part, defrosting compound:2 parts.
The defrosting compound selects magnesium carbonate.
The preparation method of the no blooming not bleed hot press moulding conduction button silicon rubber, comprises the following steps：
(1) each component is weighed by formula；
(2) methyl vinyl silicone rubber is put into kneader；
(3) T150A white carbons are added in kneader in batches and mediated, and hydroxy silicon oil is added in kneading process, fluorine element
Internal mold release and defrosting compound；
(4) temperature is controlled in 160 DEG C of constant temperature, 60 minutes vacuum 45 minutes；High temperature discharges after 120 minutes；
(5) the no blooming not bleed hot press moulding conduction button silicon rubber is obtained after filtering.
Embodiment 8 is with not the pressing of preparing of bleed hot press moulding conduction button silicon rubber of no blooming obtained by example 1-7 described above
Key.
The present invention is not limited to above-mentioned embodiment, all to realize the present invention using structure similar with the present invention and its method
All modes of purpose, within protection scope of the present invention.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to is assert
The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, its framework form can be flexible and changeable, can be with subseries product.Simply make some
Simple deduction or replace, it should all be considered as belonging to the scope of patent protection that the present invention is determined by the claims submitted.
Claims (6)
1. no blooming not bleed hot press moulding conduction button silicon rubber, it is characterised in that include each component of following parts by weight：First
Base vinylsiloxane rubber:100 parts, T150A white carbon 30-80 parts, hydroxy silicon oil:0.5-2 parts, fluorine element internal mold release:0.1-1
Part, defrosting compound agent:1-5 parts.
2. no blooming as claimed in claim 1 not bleed hot press moulding conduction button silicon rubber, it is characterised in that including as follows
The each component of parts by weight：Methyl vinyl silicone rubber:100 parts, T150A white carbon 40-70 parts, hydroxy silicon oil:0.5-1 parts, fluorine
Plain internal mold release:0.1-0.8 parts, defrosting compound agent:2-4 parts.
3. no blooming as claimed in claim 2 not bleed hot press moulding conduction button silicon rubber, it is characterised in that including as follows
The each component of parts by weight：Methyl vinyl silicone rubber:100 parts, 50 parts of T150A white carbons, hydroxy silicon oil:1.5 parts, fluorine element is internal
Releasing agent:0.3 part, defrosting compound:2 parts.
4. no blooming as described in claim any one of 1-3 not bleed hot press moulding conduction button silicon rubber, it is characterised in that
The defrosting compound selects magnesium carbonate.
5. the preparation side of the no blooming as described in claim any one of 1-4 not bleed hot press moulding conduction button silicon rubber
Method, comprise the following steps：
(1) each component is weighed by formula；
(2) methyl vinyl silicone rubber is put into kneader；
(3) T150A white carbons are added in kneader in batches and mediated, and hydroxy silicon oil is added in kneading process, fluorine element is internal
Releasing agent and defrosting compound；
(4) temperature is controlled in 140-200 DEG C of constant temperature 30-100 minute, vacuum 30-60 minutes；High temperature discharges after 80-150 minutes；
(5) the no blooming not bleed hot press moulding conduction button silicon rubber is obtained after filtering.
6. with the no blooming described in claim any one of 1-4, the preparation of bleed hot press moulding conduction button silicon rubber is not pressed
Key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711188658.XA CN107841147A (en) | 2017-11-24 | 2017-11-24 | No blooming not bleed hot press moulding conduction button silicon rubber and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711188658.XA CN107841147A (en) | 2017-11-24 | 2017-11-24 | No blooming not bleed hot press moulding conduction button silicon rubber and preparation method thereof |
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| CN107841147A true CN107841147A (en) | 2018-03-27 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109266016A (en) * | 2018-09-21 | 2019-01-25 | 莆田市涵江华源电子有限公司 | A kind of key insulation silica gel and preparation method thereof |
| CN109266011A (en) * | 2018-09-03 | 2019-01-25 | 苏州歌诗夫新材料有限公司 | Medical bottle stopper silica gel material without fluorescer and preparation method thereof |
| CN110330796A (en) * | 2019-06-14 | 2019-10-15 | 东莞市天桉硅胶科技有限公司 | A kind of silicon rubber and preparation method thereof of boiling non-whitening |
| CN114874631A (en) * | 2022-06-09 | 2022-08-09 | 合盛硅业股份有限公司 | Silicone rubber compound, preparation method and silicone rubber product |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105086013A (en) * | 2015-08-14 | 2015-11-25 | 际华三五一四制革制鞋有限公司 | No-blooming wear-resistant rubber and preparing method thereof |
| CN107118562A (en) * | 2017-05-18 | 2017-09-01 | 东莞市天桉硅胶科技有限公司 | A kind of non-whitening rubber composition and preparation method thereof |
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2017
- 2017-11-24 CN CN201711188658.XA patent/CN107841147A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105086013A (en) * | 2015-08-14 | 2015-11-25 | 际华三五一四制革制鞋有限公司 | No-blooming wear-resistant rubber and preparing method thereof |
| CN107118562A (en) * | 2017-05-18 | 2017-09-01 | 东莞市天桉硅胶科技有限公司 | A kind of non-whitening rubber composition and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 张殿荣，等: "《现代橡胶配方设计》", 31 October 2001, 化学工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109266011A (en) * | 2018-09-03 | 2019-01-25 | 苏州歌诗夫新材料有限公司 | Medical bottle stopper silica gel material without fluorescer and preparation method thereof |
| CN109266016A (en) * | 2018-09-21 | 2019-01-25 | 莆田市涵江华源电子有限公司 | A kind of key insulation silica gel and preparation method thereof |
| CN110330796A (en) * | 2019-06-14 | 2019-10-15 | 东莞市天桉硅胶科技有限公司 | A kind of silicon rubber and preparation method thereof of boiling non-whitening |
| CN114874631A (en) * | 2022-06-09 | 2022-08-09 | 合盛硅业股份有限公司 | Silicone rubber compound, preparation method and silicone rubber product |
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