CN107903632A - A kind of room temperature vulcanization high-temperature-resisting silicon rubber and preparation method thereof - Google Patents
A kind of room temperature vulcanization high-temperature-resisting silicon rubber and preparation method thereof Download PDFInfo
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- CN107903632A CN107903632A CN201711346859.8A CN201711346859A CN107903632A CN 107903632 A CN107903632 A CN 107903632A CN 201711346859 A CN201711346859 A CN 201711346859A CN 107903632 A CN107903632 A CN 107903632A
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- 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
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- C08L83/06—Polysiloxanes containing silicon bound to oxygen-containing groups
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Abstract
The present invention provides a kind of room temperature vulcanization high-temperature-resisting silicon rubber, include each component of following parts by weight：30 80 parts of hydroxyl-terminated injecting two methyl siloxane, 30 80 parts of terminal hydroxy group polydiphenylsiloxane, 28 parts of chain extender, 8 20 parts of crosslinking agent, 8 20 parts of filler, 38 parts of tackifier, 0.5 2 parts of catalyst.The room temperature vulcanization high-temperature-resisting silicon rubber can be resistant to 350 DEG C of 410 DEG C of high temperature, and tensile strength reaches 5MPA, and elongation reaches 350, and viscosity is good, and preparation method is simple.
Description
Technical field
The present invention relates to silicon rubber technical field, and in particular, to a kind of room temperature vulcanization high-temperature-resisting silicon rubber and its preparation
Method.
Background technology
Silicon rubber is that elasticity is altogether by cyclic organic siloxane ring-opening polymerisation or prepared by be copolymerized with different silicones
For polymers in long-term operational process, high temperature will promote silicon rubber aging.When environment temperature raises, silicon rubber strand is not
It is disconnected to obtain energy, when temperature reaches its glutinous stream temperature, so that whole strand free movement is changed into the mucus of flowing.This
When, silicon rubber becomes viscous state from elastomeric state, and mechanical performance and insulation performance are lost.Modern industry puies forward the heat resistance of silicon rubber
Requirements at the higher level are gone out, such as automotive hose, electronic seal, electric wire, gold stamping printing silicon rubber hot pressing rubber roller offset plate, low-temperature alloy
Mould, refractory seals part etc. field are to up to 300 DEG C of silicon rubber heat-resisting air aging temperature or higher, therefore, further
The resistance to elevated temperatures for improving silicon rubber makes great sense.Therefore a kind of new silicon rubber is needed to change in terms of heat resistance
Into.
The content of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of room temperature vulcanization high-temperature-resisting silicon rubber and its preparation side
Method, the room temperature vulcanization high-temperature-resisting silicon rubber can be resistant to 350 DEG C of -410 DEG C of high temperature, and tensile strength reaches 5MPA, and elongation reaches
350, viscosity is good, and preparation method is simple.
Technical scheme is as follows：A kind of room temperature vulcanization high-temperature-resisting silicon rubber, includes each component of following parts by weight：
30-80 parts of hydroxyl-terminated injecting two methyl siloxane, 30-80 parts of terminal hydroxy group polydiphenylsiloxane, 2-8 parts of chain extender, crosslinking agent 8-
20 parts, 8-20 parts of filler, 3-8 parts of tackifier, 0.5-2 parts of catalyst.
The chain extender is selected from double (N- methylacetamidos) silane of methyl ethylene, (the N- methyl vinyl ammonia of dimethyl two
Base) silane, dimethyl two (N- ethylacetamidos) silane, one kind in methyl ethylene two (N- methylacetamidos) silane
Or several composition.
The crosslinking agent is selected from methyl three (N- methylacetamidos) silane, vinyl three (N- methylacetamidos) silicon
Alkane, four (N- butyl acetylamino) silane, in methyl three (diethyl aminooxy group) silane, vinyl tributyl ketoximyl silane, methyl
One or several kinds of compositions of tributanoximo silane.
The tackifier are Γ-r-chloropropyl trimethoxyl silane and/or Γ-aminopropyl triethoxysilane.
The filler is fume colloidal silica and cerium oxide.
The catalyst is dibutyl tin laurate.
Preferably, the room temperature vulcanization high-temperature-resisting silicon rubber, includes each component of following parts by weight：Terminal hydroxy group poly dimethyl
50 parts of siloxanes, 50 parts of terminal hydroxy group polydiphenylsiloxane, the chain extender select double (the N- methyl vinyl ammonia of methyl ethylene
Base) silane, 3 parts of dosage, the filler selects 2 parts of 12 parts of fume colloidal silica and cerium oxide, and the crosslinking agent selects vinyl
4.5 parts of 9 parts of tributanoximo silane and methyl tributanoximo silane, the tackifier select Γ-r-chloropropyl trimethoxyl silicon
5 parts of alkane, 1 part of the dibutyl tin laurate of catalysis and selection.
The preparation method of the room temperature vulcanization high-temperature-resisting silicon rubber, comprises the following specific steps that：
(1) hydroxyl-terminated injecting two methyl siloxane, terminal hydroxy group polydiphenylsiloxane, chain extender, crosslinking are weighed according to formula
Agent, filler, tackifier and catalyst；
(2) by hydroxyl-terminated injecting two methyl siloxane, terminal hydroxy group polydiphenylsiloxane, chain extender and filler phase method white carbon
In heating stirrer, mediate it is agglomerating after vacuumize, continue mediate 0.5-2 it is small when；
(3) cerium oxide is added, 80-120 DEG C is heated to, vacuumizes, when stirring 1 is small；
(4) crosslinking agent, tackifier and catalyst are added, is vacuumized, when stirring reaction 1-2 is small, cooling discharging.
Room temperature vulcanization high-temperature-resisting silicon rubber of the present invention is single-component room-temperature vulcanized silicone rubber, all the components are mixed,
Pack in a sealed container, in use, being extruded from sealing container, the silicon rubber of the moisture after cure elastomer-forming in ingress of air
Glue product.
The present invention uses hydroxyl-terminated injecting two methyl siloxane and terminal hydroxy group polydiphenylsiloxane as major ingredient, in catalyst two
Under the action of dibutyl tin laurate, rapid polymerization cures, and cured product has resistance to oxidation, and high-low temperature resistant alternating, resists cold, moisture resistance
Wet and electrical insulating property and physiological inertia.Using chain extender with it is condensation cured after major ingredient react, it is resistance to adjust the room temperature vulcanization
The modulus and high elongation rate of high temperature silicone rubber, connect major ingredient using crosslinking agent, form net structure, obtain fluid sealant.
In the present invention, using fume colloidal silica as filler, fume colloidal silica adds silicon rubber and after kneading, with
The long chain of silicon rubber is securely joined with, and significantly improves the tensile strength and elasticity of sulphurated siliastic.It is preferred that the gas phase
The particle diameter of method white carbon is 2-40nm, specific surface area 180-400M2Between/g.However, after excessive white carbon adds silicon rubber, meeting
Increase the viscosity of silicon rubber, and then harden, thus, the dosage of white carbon is appropriate.Must when add hydroxy silicon oil,
Prevent the puzzlement that white carbon is excessively brought,
In the present invention, cerium oxide is also used as heat-resisting additive, and cerium oxide prevents polysiloxanes oxide side chain to be crosslinked
Or backbone cyclized degradation, improve the resistance to elevated temperatures for vulcanizing high-temperature-resisting silicon rubber.
Beneficial effects of the present invention are：Room temperature vulcanization high-temperature-resisting silicon rubber of the present invention, can be resistant to 350 DEG C -410 DEG C
High temperature, tensile strength reach 5MPA, and elongation reaches 350%, and viscosity is good, hardness 60-65A.
Embodiment
In order to make the goal of the invention of the present invention, technical solution and technique effect are more clearly understood, with reference to specific reality
Applying mode, the present invention is described further.It is to be understood that specific embodiment described herein, is only used for explaining the present invention,
It is not intended to limit the present invention.
A kind of room temperature vulcanization high-temperature-resisting silicon rubber of embodiment 1, includes each component of following parts by weight：Terminal hydroxy group poly dimethyl
50 parts of siloxanes, 50 parts of terminal hydroxy group polydiphenylsiloxane, the chain extender select double (the N- methyl vinyl ammonia of methyl ethylene
Base) silane, 3 parts of dosage, the filler selects 2 parts of 12 parts of fume colloidal silica and cerium oxide, and the crosslinking agent selects vinyl
4.5 parts of 9 parts of tributanoximo silane and methyl tributanoximo silane, the tackifier select Γ-r-chloropropyl trimethoxyl silicon
5 parts of alkane, 1 part of the dibutyl tin laurate of catalysis and selection.
The preparation method of the room temperature vulcanization high-temperature-resisting silicon rubber, comprises the following specific steps that：
(1) hydroxyl-terminated injecting two methyl siloxane, terminal hydroxy group polydiphenylsiloxane, chain extender, crosslinking are weighed according to formula
Agent, filler, tackifier and catalyst；
(2) by hydroxyl-terminated injecting two methyl siloxane, terminal hydroxy group polydiphenylsiloxane, chain extender and filler phase method white carbon
In heating stirrer, mediate it is agglomerating after vacuumize, continue mediate 0.5-2 it is small when；
(3) cerium oxide is added, 80-120 DEG C is heated to, vacuumizes, when stirring 1 is small；
(4) crosslinking agent, tackifier and catalyst are added, is vacuumized, when stirring reaction 1-2 is small, cooling discharging.
Embodiment 2：A kind of room temperature vulcanization high-temperature-resisting silicon rubber, includes each component of following parts by weight：The poly- diformazan of terminal hydroxy group
30 parts of radical siloxane, 30 parts of terminal hydroxy group polydiphenylsiloxane, 8 parts of chain extender, 14 parts of crosslinking agent, 14 parts of filler, tackifier 7
Part, 0.5 part of catalyst.
The chain extender is selected from double (N- methylacetamidos) silane of methyl ethylene.
The crosslinking agent is selected from the composition of (N- methylacetamidos) silane of methyl three and methyl tributanoximo silane.
The tackifier are Γ-r-chloropropyl trimethoxyl silane and Γ-aminopropyl triethoxysilane.
The filler is fume colloidal silica and cerium oxide.
The catalyst is dibutyl tin laurate.
The preparation method of the room temperature vulcanization high-temperature-resisting silicon rubber, comprises the following specific steps that：
The preparation method of the room temperature vulcanization high-temperature-resisting silicon rubber, comprises the following specific steps that：
(1) hydroxyl-terminated injecting two methyl siloxane, terminal hydroxy group polydiphenylsiloxane, chain extender, crosslinking are weighed according to formula
Agent, filler, tackifier and catalyst；
(2) by hydroxyl-terminated injecting two methyl siloxane, terminal hydroxy group polydiphenylsiloxane, chain extender and filler phase method white carbon
In heating stirrer, mediate it is agglomerating after vacuumize, continue mediate 0.5-2 it is small when；
(3) cerium oxide is added, 80-120 DEG C is heated to, vacuumizes, when stirring 1 is small；
(4) crosslinking agent, tackifier and catalyst are added, is vacuumized, when stirring reaction 1-2 is small, cooling discharging.
Embodiment 3：A kind of room temperature vulcanization high-temperature-resisting silicon rubber, includes each component of following parts by weight：The poly- diformazan of terminal hydroxy group
40 parts of radical siloxane, 40 parts of terminal hydroxy group polydiphenylsiloxane, 6 parts of chain extender, 16 parts of crosslinking agent, 10 parts of filler, tackifier 6
Part, 1 part of catalyst.
The chain extender is selected from (N- methylacetamidos) silane of dimethyl two and dimethyl two (N- ethylacetamidos)
Silane.
The crosslinking agent is selected from the composition of (diethyl aminooxy group) silane of methyl three and vinyl tributyl ketoximyl silane.
The tackifier are Γ-aminopropyl triethoxysilane.
The filler is fume colloidal silica and cerium oxide.
The catalyst is dibutyl tin laurate.
The preparation method of the room temperature vulcanization high-temperature-resisting silicon rubber, comprises the following specific steps that：
The preparation method of the room temperature vulcanization high-temperature-resisting silicon rubber, comprises the following specific steps that：
(1) hydroxyl-terminated injecting two methyl siloxane, terminal hydroxy group polydiphenylsiloxane, chain extender, crosslinking are weighed according to formula
Agent, filler, tackifier and catalyst；
(2) by hydroxyl-terminated injecting two methyl siloxane, terminal hydroxy group polydiphenylsiloxane, chain extender and filler phase method white carbon
In heating stirrer, mediate it is agglomerating after vacuumize, continue mediate 0.5-2 it is small when；
(3) cerium oxide is added, 80-120 DEG C is heated to, vacuumizes, when stirring 1 is small；
(4) crosslinking agent, tackifier and catalyst are added, is vacuumized, when stirring reaction 1-2 is small, cooling discharging.
Embodiment 4：A kind of room temperature vulcanization high-temperature-resisting silicon rubber, includes each component of following parts by weight：The poly- diformazan of terminal hydroxy group
50 parts of radical siloxane, 50 parts of terminal hydroxy group polydiphenylsiloxane, 5 parts of chain extender, 8 parts of crosslinking agent, 8 parts of filler, 4 parts of tackifier,
1.5 parts of catalyst.
The chain extender is selected from double (N- methylacetamidos) silane of methyl ethylene and (the N- ethyl ammonia of dimethyl two
Base) silane composition.
The crosslinking agent is selected from the composition of (diethyl aminooxy group) silane of base three and methyl tributanoximo silane.
The tackifier are Γ-r-chloropropyl trimethoxyl silane
The filler is fume colloidal silica and cerium oxide.
The catalyst is dibutyl tin laurate.
The preparation method of the room temperature vulcanization high-temperature-resisting silicon rubber, comprises the following specific steps that：
The preparation method of the room temperature vulcanization high-temperature-resisting silicon rubber, comprises the following specific steps that：
(1) hydroxyl-terminated injecting two methyl siloxane, terminal hydroxy group polydiphenylsiloxane, chain extender, crosslinking are weighed according to formula
Agent, filler, tackifier and catalyst；
(2) by hydroxyl-terminated injecting two methyl siloxane, terminal hydroxy group polydiphenylsiloxane, chain extender and filler phase method white carbon
In heating stirrer, mediate it is agglomerating after vacuumize, continue mediate 0.5-2 it is small when；
(3) cerium oxide is added, 80-120 DEG C is heated to, vacuumizes, when stirring 1 is small；
(4) crosslinking agent, tackifier and catalyst are added, is vacuumized, when stirring reaction 1-2 is small, cooling discharging.
Embodiment 5：A kind of room temperature vulcanization high-temperature-resisting silicon rubber, includes each component of following parts by weight：The poly- diformazan of terminal hydroxy group
60 parts of radical siloxane, 60 parts of terminal hydroxy group polydiphenylsiloxane, 4 parts of chain extender, 15 parts of crosslinking agent, 20 parts of filler, tackifier 3
Part, 2 parts of catalyst.
The chain extender is selected from (N- ethylacetamidos) silane of dimethyl two and (the N- methyl vinyl ammonia of methyl ethylene two
Base) composition in silane.
The crosslinking agent is selected from methyl three (N- methylacetamidos) silane.
The tackifier are Γ-aminopropyl triethoxysilane.
The filler is fume colloidal silica and cerium oxide.
The catalyst is dibutyl tin laurate.
The preparation method of the room temperature vulcanization high-temperature-resisting silicon rubber, comprises the following specific steps that：
The preparation method of the room temperature vulcanization high-temperature-resisting silicon rubber, comprises the following specific steps that：
(1) hydroxyl-terminated injecting two methyl siloxane, terminal hydroxy group polydiphenylsiloxane, chain extender, crosslinking are weighed according to formula
Agent, filler, tackifier and catalyst；
(2) by hydroxyl-terminated injecting two methyl siloxane, terminal hydroxy group polydiphenylsiloxane, chain extender and filler phase method white carbon
In heating stirrer, mediate it is agglomerating after vacuumize, continue mediate 0.5-2 it is small when；
(3) cerium oxide is added, 80-120 DEG C is heated to, vacuumizes, when stirring 1 is small；
(4) crosslinking agent, tackifier and catalyst are added, is vacuumized, when stirring reaction 1-2 is small, cooling discharging.
Embodiment 6：A kind of room temperature vulcanization high-temperature-resisting silicon rubber, includes each component of following parts by weight：The poly- diformazan of terminal hydroxy group
70 parts of radical siloxane, 70 parts of terminal hydroxy group polydiphenylsiloxane, 2 parts of chain extender, 10 parts of crosslinking agent, 18 parts of filler, tackifier 8
Part, 1.5 parts of catalyst.
The chain extender is selected from double (N- methylacetamidos) silane of methyl ethylene and (the N- methyl second of methyl ethylene two
Acylamino-) silane composition.
The crosslinking agent is selected from the composition of vinyl tributyl ketoximyl silane and methyl tributanoximo silane.
The tackifier are Γ-r-chloropropyl trimethoxyl silane.
The filler is fume colloidal silica and cerium oxide.
The catalyst is dibutyl tin laurate.
The preparation method of the room temperature vulcanization high-temperature-resisting silicon rubber, comprises the following specific steps that：
The preparation method of the room temperature vulcanization high-temperature-resisting silicon rubber, comprises the following specific steps that：
(1) hydroxyl-terminated injecting two methyl siloxane, terminal hydroxy group polydiphenylsiloxane, chain extender, crosslinking are weighed according to formula
Agent, filler, tackifier and catalyst；
(2) by hydroxyl-terminated injecting two methyl siloxane, terminal hydroxy group polydiphenylsiloxane, chain extender and filler phase method white carbon
In heating stirrer, mediate it is agglomerating after vacuumize, continue mediate 0.5-2 it is small when；
(3) cerium oxide is added, 80-120 DEG C is heated to, vacuumizes, when stirring 1 is small；
(4) crosslinking agent, tackifier and catalyst are added, is vacuumized, when stirring reaction 1-2 is small, cooling discharging.
Embodiment 7：A kind of room temperature vulcanization high-temperature-resisting silicon rubber, includes each component of following parts by weight：The poly- diformazan of terminal hydroxy group
80 parts of radical siloxane, 80 parts of terminal hydroxy group polydiphenylsiloxane, 3 parts of chain extender, 20 parts of crosslinking agent, 15 parts of filler, tackifier 5
Part, 2 parts of catalyst.
The chain extender is selected from methyl ethylene two (N- methylacetamidos) silane.
The crosslinking agent is selected from vinyl three (N- methylacetamidos) silane.
The tackifier are Γ-r-chloropropyl trimethoxyl silane and Γ-aminopropyl triethoxysilane.
The filler is fume colloidal silica and cerium oxide.
The catalyst is dibutyl tin laurate.
The preparation method of the room temperature vulcanization high-temperature-resisting silicon rubber, comprises the following specific steps that：
The preparation method of the room temperature vulcanization high-temperature-resisting silicon rubber, comprises the following specific steps that：
(1) hydroxyl-terminated injecting two methyl siloxane, terminal hydroxy group polydiphenylsiloxane, chain extender, crosslinking are weighed according to formula
Agent, filler, tackifier and catalyst；
(2) by hydroxyl-terminated injecting two methyl siloxane, terminal hydroxy group polydiphenylsiloxane, chain extender and filler phase method white carbon
In heating stirrer, mediate it is agglomerating after vacuumize, continue mediate 0.5-2 it is small when；
(3) cerium oxide is added, 80-120 DEG C is heated to, vacuumizes, when stirring 1 is small；
(4) crosslinking agent, tackifier and catalyst are added, is vacuumized, when stirring reaction 1-2 is small, cooling discharging.
In order to further illustrate the performance of room temperature vulcanization high-temperature-resisting silicon rubber of the present invention, the present invention is to embodiment 1-7
The performance of the room temperature vulcanization high-temperature-resisting silicon rubber of gained is detected, the hot air aging of the room temperature vulcanization high-temperature-resisting silicon rubber
Performance is measured by GB3512-2001, and physical mechanical property is measured by GB/T528-1998, GB/T531-1999, the high temperature resistant silicon
For the sample of rubber after 300 DEG C × 72h hot air agings, tensile strength is more than 5MPa, and elongation exists more than 350% heat-resisting quantity
350-410 DEG C, do not flow, hardness 60-65A, excellent performance.
Above content is that a further detailed description of the present invention in conjunction with specific preferred embodiments, 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, should all be considered as belonging to the scope of patent protection that the present invention is determined by the claims submitted.
Claims (8)
1. a kind of room temperature vulcanization high-temperature-resisting silicon rubber, it is characterised in that include each component of following parts by weight：The poly- diformazan of terminal hydroxy group
30-80 parts of radical siloxane, 30-80 parts of terminal hydroxy group polydiphenylsiloxane, 2-8 parts of chain extender, 8-20 parts of crosslinking agent, filler 8-20
Part, 3-8 parts of tackifier, 0.5-2 parts of catalyst.
2. room temperature vulcanization high-temperature-resisting silicon rubber as claimed in claim 1, it is characterised in that the chain extender is selected from ethylene methacrylic
Double (N- methylacetamidos) silane of base, dimethyl two (N- methylacetamidos) silane, (the N- ethyl ammonia of dimethyl two
Base) silane, one or several kinds of compositions in methyl ethylene two (N- methylacetamidos) silane.
3. room temperature vulcanization high-temperature-resisting silicon rubber as claimed in claim 1, it is characterised in that the crosslinking agent is selected from methyl three
(N- methylacetamidos) silane, vinyl three (N- methylacetamidos) silane, four (N- butyl acetylamino) silane, methyl
In three (diethyl aminooxy group) silane, vinyl tributyl ketoximyl silane, one or several kinds of groups of methyl tributanoximo silane
Compound.
4. room temperature vulcanization high-temperature-resisting silicon rubber as claimed in claim 1, it is characterised in that the tackifier are Γ-chloropropyl
Trimethoxy silane and/or Γ-aminopropyl triethoxysilane.
5. room temperature vulcanization high-temperature-resisting silicon rubber as claimed in claim 1, it is characterised in that the filler is fume colloidal silica
And cerium oxide.
6. room temperature vulcanization high-temperature-resisting silicon rubber as claimed in claim 1, it is characterised in that the catalyst is tin dilaurate two
Butyl tin.
7. room temperature vulcanization high-temperature-resisting silicon rubber as claimed in claim 1, it is characterised in that the room temperature vulcanization high temperature resistant silicon rubber
Glue, includes each component of following parts by weight：50 parts of hydroxyl-terminated injecting two methyl siloxane, 50 parts of terminal hydroxy group polydiphenylsiloxane,
The chain extender selects double (N- methylacetamidos) silane of methyl ethylene, 3 parts of dosage, and the filler selects vapor phase method hard charcoal
Black 12 parts and 2 parts of cerium oxide, the crosslinking agent select 9 parts of vinyl tributyl ketoximyl silane and methyl tributanoximo silane
4.5 parts, the tackifier select 5 parts of Γ-r-chloropropyl trimethoxyl silane, catalysis and the selection dibutyl tin laurate 1
Part.
8. the preparation method of room temperature vulcanization high-temperature-resisting silicon rubber, comprises the following specific steps that as described in claim any one of 1-7：
(1) hydroxyl-terminated injecting two methyl siloxane is weighed according to formula, terminal hydroxy group polydiphenylsiloxane, chain extender, crosslinking agent, is filled out
Material, tackifier and catalyst；
(2) by hydroxyl-terminated injecting two methyl siloxane, terminal hydroxy group polydiphenylsiloxane, chain extender and the heating of filler phase method white carbon
In blender, mediate it is agglomerating after vacuumize, continue mediate 0.5-2 it is small when；
(3) cerium oxide is added, 80-120 DEG C is heated to, vacuumizes, when stirring 1 is small；
(4) crosslinking agent, tackifier and catalyst are added, is vacuumized, when stirring reaction 1-2 is small, cooling discharging.
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| CN108504116A (en) * | 2018-05-02 | 2018-09-07 | 合肥市晨雷思建筑材料科技有限公司 | A kind of roofing waterproof pointing |
| CN111073304A (en) * | 2019-12-31 | 2020-04-28 | 山东华夏神舟新材料有限公司 | Fluorosilicone rubber composition and preparation method thereof |
| CN111394054A (en) * | 2020-03-24 | 2020-07-10 | 新安天玉有机硅有限公司 | Silicone rubber for self-adhesive tape and preparation method thereof |
| CN114854204A (en) * | 2022-06-29 | 2022-08-05 | 广东高士高科实业有限公司 | Room-temperature vulcanized silicone rubber and preparation method and application thereof |
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| CN111394054A (en) * | 2020-03-24 | 2020-07-10 | 新安天玉有机硅有限公司 | Silicone rubber for self-adhesive tape and preparation method thereof |
| CN114854204A (en) * | 2022-06-29 | 2022-08-05 | 广东高士高科实业有限公司 | Room-temperature vulcanized silicone rubber and preparation method and application thereof |
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