CN104371334A - Full-transparent liquid silicone rubber composition - Google Patents
Full-transparent liquid silicone rubber composition Download PDFInfo
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- CN104371334A CN104371334A CN201410752779.2A CN201410752779A CN104371334A CN 104371334 A CN104371334 A CN 104371334A CN 201410752779 A CN201410752779 A CN 201410752779A CN 104371334 A CN104371334 A CN 104371334A
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Abstract
The invention relates to a full-transparent liquid silicone rubber composition comprising, by weight, 50-80 parts of vinyl-terminated polydimethylsiloxane, 20-40 parts of vinyl MQ silicone resin, 1-20 parts of methyl hydrogen-containing MQ silicone resin, 0.1-10 parts of hydrogen-containing silicone oil, 0.01-1 part of inhibitor and 0.1-1 part of platinum catalyst. The full-transparent liquid silicone rubber composition features high hardness, high strength and high elongation and is applicable to the fields such as LED packaging, solar panel packaging, high-transparency earplugs, high-transparency nose pads and high-transparency pads.
Description
Technical field
The invention belongs to field of polymer composite material, be specifically related to a kind of Full-transparent liquid silicone rubber composition.
Background technology
All-transparent liquid silastic due to transmittance high, at spectacles nose holder, transparent earplug, LED, condensation photovoltaic (CPV) Fresnel Lenses, and other silicon rubber transparent article fields are widely used.
All-transparent liquid silastic adopts MQ silicone resin to do reinforcing filler usually.The preparation of MQ silicone resin is very ripe, the synthesis of MQ silicone resin is in acid condition described in detail in US Patent No. 1987/4707531, and in US Patent No. 1996/5548053, then depict a kind of preparation of MQ silicone resin of low hydroxy radical content, mainly reduced the hydroxy radical content of MQ silicone resin by alkali condensation further.
In US Patent No. 2005/0006794A1, describing a kind of high transparency liquid silicon rubber composition, is with vinyl silicone oil, Vinyl MQ silicon resin, hydrogen polysiloxanes and platinum catalyst composition.US Patent No. 2006/0264583, US Patent No. 2009/0118441A1 also illustrates the high transparency liquid silicon rubber composition using MQ silicone resin to strengthen.In US Patent No. 2011/0288246A1, describe a kind of high transparency liquid silastic, its transparency under high temperature (200 DEG C) be normal temperature under transparency more than 99%, in other words transparency does not vary with temperature and changes.In US Patent No. 1989/4882398, describe a kind of High-transparency silicon rubber, along with the increase of silicone resin number, tensile strength increases, elongation reduces, and when silicone resin number is at 45 parts, tear strength reaches increase, starts to reduce along with silicone resin number continues to increase tear strength.European patent EP 0767216A relate to the silicone resin of high strength and the preparation method of silicone oil composite.Chinese patent CN102924927A describes a kind of soft section-hard section Design Theory, provides a kind of preparation method of high transparency liquid silicon rubber composition.But above liquid silastic hardness high elongation rate of the prior art is not high.
Summary of the invention
Technical problem to be solved by this invention is the defect overcoming prior art, provides a kind of Full-transparent liquid silicone rubber composition.
The present invention is achieved in that a kind of Full-transparent liquid silicone rubber composition, and it comprises the component of following massfraction:
End-vinyl polydimethylsiloxane 50 ~ 80 parts;
Vinyl MQ silicon resin 20 ~ 40 parts;
Methyl hydrogen MQ silicone resin 1 ~ 20 part;
Containing hydrogen silicone oil 0.1 ~ 10 part;
0.01 ~ 1 part, inhibitor;
Platinum catalyst 0.1 ~ 1 part.
The invention provides a kind of Full-transparent liquid silicone rubber composition, it is by injection molding, compression molding, casting, and the moulding processs such as coating molding solidify to form single product or form the matrix material of single product together with being formed with ground.Described Full-transparent liquid silicone rubber composition is solidified by platinum catalysis, has the feature of high rigidity, high strength, can be applicable to the fields such as LED, sun power Fei Nier lens, high transparency earplug, high transparency nose support and high transparency pad.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with specific embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The embodiment of the present invention provides a kind of Full-transparent liquid silicone rubber composition, and it comprises the component of following massfraction:
End-vinyl polydimethylsiloxane 50 ~ 80 parts;
Vinyl MQ silicon resin 20 ~ 40 parts;
Methyl hydrogen MQ silicone resin 1 ~ 20 part;
Containing hydrogen silicone oil 0.1 ~ 10 part;
0.01 ~ 1 part, inhibitor;
Platinum catalyst 0.1 ~ 1 part.
Particularly, described end-vinyl dimethione can be the end-vinyl polydimethylsiloxane of single viscosity, or the mixture of the different end-vinyl dimethione of viscosity, the viscosity of described dimethione at 25 DEG C is 2000mPas ~ 200000mPas, more preferably, the viscosity of end-vinyl dimethione at 25 DEG C is 3000mPas ~ 150000mPas, further, more preferably, viscosity is between 5000mPas ~ 120000mPas.End-vinyl polydimethylsiloxane, is beneficial to the elongation improving composition.When the viscosity of end-vinyl polydimethylsiloxane is lower than regulation lower viscosity limit, the elongation of composition can not get satisfactory result; When the viscosity of end-vinyl polydimethylsiloxane is higher than regulation upper viscosity limit, the tensile strength of composition can not get satisfactory result, and the transparency of composition also has considerable influence.
Preferably, described Vinyl MQ silicon resin to be vinyl mass percent be 0.1% ~ 1% Vinyl MQ silicon resin and vinyl mass percent be the mixture of the Vinyl MQ silicon resin of 2.5% ~ 4.5%.Described vinyl mass percent be 0.1% ~ 1% Vinyl MQ silicon resin account for 1/10 ~ 2/5 of Vinyl MQ silicon resin quality.More preferably, described Vinyl MQ silicon resin is through the Vinyl MQ silicon resin with low hydroxy radical content of alkali condensation, and it has the structure that following general formula represents:
(ViMe
2siO
1/2)
a(Me
3siO
1/2)
b(SiO
2)
c, (a+b)/c=0.7 ~ 0.9 in formula.
The Vinyl MQ silicon resin of low hydroxy radical content can improve hardness and the intensity of composition greatly.Utilize the Vinyl MQ silicon resin obtaining low hydroxy radical content through alkali condensation, and the MQ silicone resin of high-vinyl-content and the MQ silicone resin of low vinyl content are carried out collocation use, can high rigidity be prepared, the Full-transparent liquid silicone rubber composition of high strength.
If vinyl mass percent be its vinyl mass percent of Vinyl MQ silicon resin component of 0.1% ~ 1% in 0.1%, do not have Hardening strengthen effect, vinyl mass percent is higher than 1%, and the elongation of composition can not get effective raising.
Vinyl mass percent be 2.5% ~ 4.5% Vinyl MQ silicon resin mainly play enhancement, its vinyl mass percent is lower than 2.5%, the hardness of composition and intensity can not get effective raising, and vinyl mass percent higher than 4.5% time, then hardness can reach very large.But cause composition fragility to strengthen because vinyl mass percent is too high.
Described methyl hydrogen MQ silicone resin has the structure that following general formula represents:
(HMe
2SiO
1/2)
a(Me
3SiO
1/2)
b(SiO
2)
c，
In formula, (a+b)/c=1.4 ~ 2.0.
In described methyl hydrogen MQ silicone resin, the mass percent of silicon hydrogen (Si-H) is more than or equal to 0.7%, and when the mass percent of its Si-H is less than 0.7%, the tensile strength of composition and tear strength do not reach good effect.
Described containing hydrogen silicone oil is the organopolysiloxane at least containing three Si-H keys on each molecule.Described containing hydrogen silicone oil can be selected from end strips has the polydimethylsiloxane of Si-H key, end not also to be with Si-H key, at least one in the linear organopolysiloxane of side chain band Si-H key with the linear organopolysiloxane of Si-H key and end with the side chain of Si-H key.Preferably, the mass percent of the Si-H of described containing hydrogen silicone oil is greater than 0.4%.
Described inhibitor is alkynol class inhibitor.Preferably, described alkynol class inhibitor is at least one in 1-ethynyl-1-hexalin, 2-methyl-3-butine-ol and 3,5-dimethyl-1-hexin-3-alcohol and 3-methyl isophthalic acid-dodecyne-3-alcohol.
Described platinum catalyst is platinum, platinum black, Platinic chloride after process, the Platinic chloride of ethanol modifier, Platinic chloride/alkene complex, Platinic chloride/olefinic siloxane complex compound, and at least one in Platinic chloride/divinyl tetramethyl disiloxane complex compound.
Below in conjunction with specific embodiment, specific implementation of the present invention is described in detail.Wherein, the viscosity in embodiment 1 ~ 11 is data measured at 25 DEG C.
Embodiment 1:
Full-transparent liquid silicone rubber composition, comprises the component of following massfraction:
Vinyl mass percent be 0.16% end-vinyl polydimethylsiloxane (viscosity: 5000mPas) 10 parts and vinyl mass percent be 0.05% end-vinyl polydimethylsiloxane (viscosity: 130000mPas) 60 parts;
Vinyl mass percent is the Vinyl MQ silicon resin 28 part of 3%, M/Q=0.8 through alkali condensation;
Si-H mass percent is the methyl hydrogen MQ silicone resin 6 parts of 0.7%, M/Q=1.4;
Si-H mass percent is that the side chain of 0.55% is with the polydimethylsiloxane containing hydrogen silicone oil 0.8 part of the molecular chain two ends dimethylhydrogensiloxy group end capping of silicon hydrogen group;
1-ethynyl-1-hexalin 0.05 part;
Platinic chloride/0.25 part, divinyl tetramethyl disiloxane complex compound.
Embodiment 2:
Full-transparent liquid silicone rubber composition, comprises the component of following massfraction:
Vinyl mass percent be 0.16% end-vinyl polydimethylsiloxane (viscosity: 5000mPas) 10 parts and vinyl mass percent be 0.05% end-vinyl polydimethylsiloxane (viscosity: 130000mPas) 60 parts;
Vinyl mass percent is the Vinyl MQ silicon resin 28 part of 3.5%, M/Q=0.8 through alkali condensation;
Si-H mass percent is the methyl hydrogen MQ silicone resin 7.5 parts of 0.7%, M/Q=1.4;
Si-H mass percent is that the side chain of 0.55% is with the polydimethylsiloxane containing hydrogen silicone oil 0.8 part of the molecular chain two ends dimethylhydrogensiloxy group end capping of silicon hydrogen group;
1-ethynyl-1-hexalin 0.05 part;
Platinic chloride/0.25 part, divinyl tetramethyl disiloxane complex compound.
Embodiment 3:
Full-transparent liquid silicone rubber composition, comprises the component of following massfraction:
Vinyl mass percent be 0.16% end-vinyl polydimethylsiloxane (viscosity: 5000mPas) 10 parts and vinyl mass percent be 0.05% end-vinyl polydimethylsiloxane (viscosity: 130000mPas) 60 parts;
Vinyl mass percent is the Vinyl MQ silicon resin 28 part of 3%, M/Q=0.8 without alkali condensation;
Si-H mass percent is the methyl hydrogen MQ silicone resin 7.5 parts of 0.7%, M/Q=1.4;
Si-H mass percent is that the side chain of 0.55% is with the polydimethylsiloxane containing hydrogen silicone oil 0.8 part of the molecular chain two ends dimethylhydrogensiloxy group end capping of silicon hydrogen group;
1-ethynyl-1-hexalin 0.05 part;
Platinic chloride/0.25 part, divinyl tetramethyl disiloxane complex compound.
Embodiment 4:
Full-transparent liquid silicone rubber composition, comprises the component of following massfraction:
Vinyl mass percent be 0.16% end-vinyl polydimethylsiloxane (viscosity: 5000mPas) 10 parts and vinyl mass percent be 0.05% end-vinyl polydimethylsiloxane (viscosity: 130000mPas) 55 parts;
Vinyl mass percent is the Vinyl MQ silicon resin 5 part of 0.5%, M/Q=0.8 through alkali condensation is the Vinyl MQ silicon resin 24.5 part of 3%, M/Q=0.8 through alkali condensation with vinyl quality mass percent;
Si-H mass percent is the methyl hydrogen MQ silicone resin 5.5 parts of 0.7%, M/Q=1.4;
Si-H mass percent is that the side chain of 0.55% is with the polydimethylsiloxane containing hydrogen silicone oil 0.8 part of the molecular chain two ends dimethylhydrogensiloxy group end capping of silicon hydrogen group;
1-ethynyl-1-hexalin 0.05 part;
Platinic chloride/0.25 part, divinyl tetramethyl disiloxane complex compound.
Embodiment 5:
Full-transparent liquid silicone rubber composition, comprises the component of following massfraction:
Vinyl mass percent be 0.16% end-vinyl polydimethylsiloxane (viscosity: 5000mPas) 10 parts and vinyl mass percent be 0.05% end-vinyl polydimethylsiloxane (viscosity: 130000mPas) 55 parts;
Vinyl mass percent is the Vinyl MQ silicon resin 5 part of 0.1%, M/Q=0.8 through alkali condensation is the Vinyl MQ silicon resin 24.5 part of 3%, M/Q=0.8 through alkali condensation with vinyl mass percent;
Si-H mass percent is the methyl hydrogen MQ silicone resin 5.5 parts of 0.7%, M/Q=1.4;
Si-H mass percent is that the side chain of 0.55% is with the polydimethylsiloxane containing hydrogen silicone oil 0.8 part of the molecular chain two ends dimethylhydrogensiloxy group end capping of silicon hydrogen group;
1-ethynyl-1-hexalin 0.05 part;
Platinic chloride/0.25 part, divinyl tetramethyl disiloxane complex compound.
Embodiment 6:
Full-transparent liquid silicone rubber composition, comprises the component of following massfraction:
Vinyl mass percent be 0.16% end-vinyl polydimethylsiloxane (viscosity: 5000mPas) 10 parts and vinyl mass percent be 0.05% end-vinyl polydimethylsiloxane (viscosity: 130000mPas) 55 parts;
Vinyl mass percent is the Vinyl MQ silicon resin 5 part of 1%, M/Q=0.8 through alkali condensation is the Vinyl MQ silicon resin 24.5 part of 3%, M/Q=0.8 through alkali condensation with vinyl mass percent;
Si-H mass percent is the methyl hydrogen MQ silicone resin 5.5 parts of 0.7%, M/Q=1.4;
Si-H mass percent is that the side chain of 0.55% is with the polydimethylsiloxane containing hydrogen silicone oil 0.8 part of the molecular chain two ends dimethylhydrogensiloxy group end capping of silicon hydrogen group;
1-ethynyl-1-hexalin 0.05 part;
Platinic chloride/0.25 part, divinyl tetramethyl disiloxane complex compound.
Embodiment 7:
Full-transparent liquid silicone rubber composition, comprises the component of following massfraction:
Vinyl mass percent be 0.16% end-vinyl polydimethylsiloxane (viscosity: 5000mPas) 10 parts and vinyl mass percent be 0.05% end-vinyl polydimethylsiloxane (viscosity: 130000mPas) 55 parts;
Vinyl mass percent is the Vinyl MQ silicon resin 5 part of 0.5%, M/Q=0.8 through alkali condensation is the Vinyl MQ silicon resin 26 part of 3.5%, M/Q=0.8 through alkali condensation with vinyl mass percent;
Si-H mass percent is the methyl hydrogen MQ silicone resin 7 parts of 0.7%, M/Q=1.4;
Si-H mass percent is that the side chain of 0.55% is with the polydimethylsiloxane containing hydrogen silicone oil 0.8 part of the molecular chain two ends dimethylhydrogensiloxy group end capping of silicon hydrogen group;
1-ethynyl-1-hexalin 0.05 part;
Platinic chloride/0.25 part, divinyl tetramethyl disiloxane complex compound.
Embodiment 8:
Full-transparent liquid silicone rubber composition, comprises the component of following massfraction:
Vinyl mass percent be 0.16% end-vinyl polydimethylsiloxane (viscosity: 5000mPas) 10 parts and vinyl mass percent be 0.05% end-vinyl polydimethylsiloxane (viscosity: 130000mPas) 55 parts;
Vinyl mass percent is the Vinyl MQ silicon resin 5 part of 0.1%, M/Q=0.8 through alkali condensation is the Vinyl MQ silicon resin 26 part of 3.5%, M/Q=0.8 through alkali condensation with vinyl mass percent;
Si-H mass percent is the methyl hydrogen MQ silicone resin 7 parts of 0.7%, M/Q=1.4;
Si-H mass percent is that the side chain of 0.55% is with the polydimethylsiloxane containing hydrogen silicone oil 0.8 part of the molecular chain two ends dimethylhydrogensiloxy group end capping of silicon hydrogen group;
1-ethynyl-1-hexalin 0.05 part;
Platinic chloride/0.25 part, divinyl tetramethyl disiloxane complex compound.
Embodiment 9:
Full-transparent liquid silicone rubber composition, comprises the component of following massfraction:
Vinyl mass percent be 0.16% end-vinyl polydimethylsiloxane (viscosity: 5000mPas) 10 parts and vinyl mass percent be 0.05% end-vinyl polydimethylsiloxane (viscosity: 130000mPas) 53 parts;
Vinyl mass percent is the Vinyl MQ silicon resin 7 part of 0.5%, M/Q=0.8 through alkali condensation is the Vinyl MQ silicon resin 35 part of 3.5%, M/Q=0.8 through alkali condensation with vinyl mass percent;
Si-H mass percent is the methyl hydrogen MQ silicone resin 9.5 parts of 0.7%, M/Q=1.4;
Si-H mass percent is that the side chain of 0.55% is with the polydimethylsiloxane containing hydrogen silicone oil 0.8 part of the molecular chain two ends dimethylhydrogensiloxy group end capping of silicon hydrogen group;
1-ethynyl-1-hexalin 0.05 part;
Platinic chloride/0.25 part, divinyl tetramethyl disiloxane complex compound.
Embodiment 10:
Full-transparent liquid silicone rubber composition, comprises the component of following massfraction:
Vinyl mass percent be 0.16% end-vinyl polydimethylsiloxane (viscosity: 5000mPas) 10 parts and vinyl mass percent be 0.05% end-vinyl polydimethylsiloxane (viscosity: 130000mPas) 60 parts;
Vinyl mass percent is the Vinyl MQ silicon resin 35 part of 3.5%, M/Q=0.8 through alkali condensation;
Si-H mass percent is the methyl hydrogen MQ silicone resin 9 parts of 0.7%, M/Q=1.4;
Si-H mass percent is that the side chain of 0.55% is with the polydimethylsiloxane containing hydrogen silicone oil 0.8 part of the molecular chain two ends dimethylhydrogensiloxy group end capping of silicon hydrogen group;
1-ethynyl-1-hexalin 0.05 part;
Platinic chloride/0.25 part, divinyl tetramethyl disiloxane complex compound.
Embodiment 11:
Full-transparent liquid silicone rubber composition, comprises the component of following massfraction:
Vinyl mass percent be 0.16% end-vinyl polydimethylsiloxane (viscosity: 5000mPas) 10 parts and vinyl mass percent be 0.05% end-vinyl polydimethylsiloxane (viscosity: 130000mPas) 55 parts;
Vinyl mass percent is the Vinyl MQ silicon resin 5 part of 0.5%, M/Q=0.8 through alkali condensation is the Vinyl MQ silicon resin 24.5 part of 3%, M/Q=0.8 through alkali condensation with vinyl mass percent;
Si-H mass percent is the methyl hydrogen MQ silicone resin 7 parts of 0.5%, M/Q=1.4;
Si-H mass percent is that the side chain of 0.55% is with the polydimethylsiloxane containing hydrogen silicone oil 0.8 part of the molecular chain two ends dimethylhydrogensiloxy group end capping of silicon hydrogen group;
1-ethynyl-1-hexalin 0.05 part;
Platinic chloride/0.25 part, divinyl tetramethyl disiloxane complex compound.
The all-transparent fluid rubber composition that embodiment 1 ~ 11 obtains is done test piece, and performance is as shown in table 1.
Table 1
| Embodiment | Hardness | Tensile strength | Elongation | Tear strength | Transmittance |
| 1 | 50A | 5.5Mpa | 220％ | 12.2KN/m | 97％ |
| 2 | 60A | 6MPa | 200％ | 14.5KN/m | 97％ |
| 3 | 53A | 6Mpa | 180％ | 9KN/m | 94％ |
| 4 | 50A | 5.5MPa | 320％ | 13.5KN/m | 97％ |
| 5 | 48A | 5MPa | 280％ | 13KN/m | 97％ |
| 6 | 55A | 5.8Mpa | 220％ | 14KN/m | 97％ |
| 7 | 60A | 6.2Mpa | 300％ | 14.5KN/m | 97％ |
| 8 | 60A | 6Mpa | 270％ | 14KN/m | 97％ |
| 9 | 70A | 7MPa | 320％ | 15.5KN/m | 97％ |
| 10 | 70A | 7MPa | 150％ | 15KN/m | 97％ |
| 11 | 50A | 5Mpa | 250％ | 13.4KN/m | 97％ |
Adopt with the following method to performance (hardness, tensile strength, tear strength, elongation, the transmittance) test of embodiment 1 ~ 11 in table 1:
Hardness
At 150 DEG C, heating makes composition be solidified into the thick test piece of 6mm for 10 minutes, uses the A type hardness tester meter specified in ASTM D2240 to measure.
Tensile strength and elongation
At 150 DEG C, heating makes composition be solidified into the thick test piece of 2mm for 10 minutes, uses the method specified in ASTMD412-1998A to carry out test tensile strength and elongation.
Tear strength
At 150 DEG C, heating makes composition be solidified into the thick test piece of 2mm for 10 minutes, uses the method specified in ASTM D624 to carry out the test of tear strength.
Transmittance
At 150 DEG C, heating makes composition be solidified into the thick test piece of 2mm for 10 minutes, carries out transmittance test based on the method specified in ASTMD1003-61.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a Full-transparent liquid silicone rubber composition, is characterized in that, comprises the component of following massfraction:
End-vinyl polydimethylsiloxane 50 ~ 80 parts;
Vinyl MQ silicon resin 20 ~ 40 parts;
Methyl hydrogen MQ silicone resin 1 ~ 20 part;
Containing hydrogen silicone oil 0.1 ~ 10 part;
0.01 ~ 1 part, inhibitor;
Platinum catalyst 0.1 ~ 1 part.
2. Full-transparent liquid silicone rubber composition according to claim 1, is characterized in that, the viscosity of described dimethione at 25 DEG C is 2000mPas ~ 200000mPas.
3. Full-transparent liquid silicone rubber composition according to claim 1 and 2, is characterized in that, described Vinyl MQ silicon resin is through the Vinyl MQ silicon resin with low hydroxy radical content of alkali condensation.
4. the Full-transparent liquid silicone rubber composition according to any one of claims 1 to 3, is characterized in that, described Vinyl MQ silicon resin has the structure that following general formula represents:
(ViMe
2siO
1/2)
a(Me
3siO
1/2)
b(SiO
2)
c, (a+b)/c=0.7 ~ 0.9 in formula.
5. the Full-transparent liquid silicone rubber composition according to any one of Claims 1 to 4, it is characterized in that, described Vinyl MQ silicon resin to be vinyl mass percent be 0.1% ~ 1% Vinyl MQ silicon resin and vinyl mass percent be the mixture of the Vinyl MQ silicon resin of 2.5% ~ 4.5%, described vinyl mass percent be 0.1% ~ 1% Vinyl MQ silicon resin account for 1/10 ~ 2/5 of Vinyl MQ silicon resin quality.
6. Full-transparent liquid silicone rubber composition according to claim 1, is characterized in that, in described methyl hydrogen MQ silicone resin, the mass percent of silicon hydrogen is more than or equal to 0.7%.
7. the Full-transparent liquid silicone rubber composition according to claim 1 or 6, is characterized in that, described methyl hydrogen MQ silicone resin has the structure that following general formula represents:
(HMe
2SiO
1/2)
a(Me
3SiO
1/2)
b(SiO
2)
c，
In formula, (a+b)/c=1.4 ~ 2.0.
8. Full-transparent liquid silicone rubber composition according to claim 1, is characterized in that, described containing hydrogen silicone oil is the organopolysiloxane at least containing three Si-H keys on each molecule.
9. Full-transparent liquid silicone rubber composition according to claim 1, it is characterized in that, described alkynol class inhibitor is at least one in 1-ethynyl-1-hexalin, 2-methyl-3-butine-ol and 3,5-dimethyl-1-hexin-3-alcohol and 3-methyl isophthalic acid-dodecyne-3-alcohol.
10. Full-transparent liquid silicone rubber composition according to claim 1, it is characterized in that, described platinum catalyst is platinum, platinum black, Platinic chloride after process, the Platinic chloride of ethanol modifier, Platinic chloride/alkene complex, Platinic chloride/olefinic siloxane complex compound, and at least one in Platinic chloride/divinyl tetramethyl disiloxane complex compound.
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Address after: Longgang District of Shenzhen City, Guangdong province 518000 Ping Street in the community square Po Village building I No. 1, C building Patentee after: Shenzhen Square Silicone Co., Ltd. Address before: Longgang District of Shenzhen City, Guangdong province 518000 Ping Street in the community sifangpu Village No. 1, C building, I Patentee before: Shenzhen Square Silicone Materials Co., Ltd. |