CN103467999A - Addition type silicone rubber for mask and preparation method thereof - Google Patents
Addition type silicone rubber for mask and preparation method thereof Download PDFInfo
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- CN103467999A CN103467999A CN2013103910042A CN201310391004A CN103467999A CN 103467999 A CN103467999 A CN 103467999A CN 2013103910042 A CN2013103910042 A CN 2013103910042A CN 201310391004 A CN201310391004 A CN 201310391004A CN 103467999 A CN103467999 A CN 103467999A
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Abstract
The invention relates to an addition type silicone rubber for a mask. The addition type silicone rubber comprises a component A and a component B, wherein the component A comprises the following components in parts by weight of 4500-5000 parts of vinyl silicone oil, 1000-1500 parts of gas-phase method white carbon black, 350-400 parts of hydrogen containing silicone oil and 5-10 parts of an inhibitor; the component B comprises 4300-4800 parts of vinyl silicone oil, 800-1300 parts of gas-phase method white carbon black and 12-17 parts of a catalyst. The addition type silicone rubber for the mask disclosed by the invention is not only high in transparency and excellent in stretching resistance and tear resistance, but also higher in elongation and better in adhesion, so that the mask can be protected very well.
Description
Technical field
The present invention relates to addition-type silicon rubber and preparation method thereof for a kind of mouth mask.
Background technology
Mouth mask, generally be broadly divided into air filtering type mask and Gas feeding mouth mask.It designs for people's health, is filtered for stoping some harmful visible or sightless materials, thereby can not carry out bad impact to human body.
The filteration emphasis of mouth mask, at nose, be selected according to the personal considerations mouth mask of different sizes.Mouth mask is too small, germ, dust, pollution easily from the mouth mask edge or nose two side clearances enter, affect filteration.The quality of judgement mouth mask, three standards are arranged: dust collection efficiency is high, can stop the fine particle below 2.5 microns; Can be closely sealed with people's face, prevent that dust or pathogenic micro-organism from being entered by not closely sealed place; Respiratory resistance is little, light, comfortable wearing.
Existing mouth mask edge mostly is cloth with material, and it is poor aspect stretch-proof and tear strength, and elongation and cohesiveness also poor, can't protect well mouth mask.
Summary of the invention
For the problem of prior art, one of purpose of the present invention is to provide a kind of mouth mask addition-type silicon rubber, and described addition-type silicon rubber comprises A component and B component, and it comprises by weight:
The A component:
The B component:
4300～4800 parts of vinyl silicone oils
800～1300 parts of thermal silicas
12～17 parts of catalyzer.
In the A component, the parts by weight of described vinyl silicone oil are for example 4550 parts, 4600 parts, 4650 parts, 4700 parts, 4750 parts, 4800 parts, 4850 parts, 4900 parts or 4950 parts.
In the A component, the parts by weight of described thermal silica are for example 1050 parts, 1100 parts, 1150 parts, 1200 parts, 1250 parts, 1300 parts, 1350 parts, 1400 parts or 1450 parts.
In the A component, the parts by weight of described containing hydrogen silicone oil are for example 355 parts, 360 parts, 365 parts, 370 parts, 375 parts, 380 parts, 385 parts, 390 parts or 395 parts.
In the A component, the parts by weight of described inhibitor are for example 5.5 parts, 6 parts, 6.5 parts, 7 parts, 7.5 parts, 8 parts, 8.5 parts, 9 parts or 9.5 parts.
In the B component, the parts by weight of described vinyl silicone oil are for example 4350 parts, 4400 parts, 4450 parts, 4500 parts, 4550 parts, 4600 parts, 4650 parts, 4700 parts or 4750 parts.
In the B component, the parts by weight of described thermal silica are for example 850 parts, 900 parts, 950 parts, 1000 parts, 1050 parts, 1100 parts, 1150 parts, 1200 parts or 1250 parts.
In the B component, the parts by weight of described catalyzer are for example 12.4 parts, 12.8 parts, 13.2 parts, 13.6 parts, 14 parts, 14.4 parts, 14.8 parts, 15.2 parts, 15.6 parts, 16 parts, 16.4 parts, 16.8 parts, 17.2 parts or 17.6 parts.
Preferably, described mouth mask comprises A component and B component with addition-type silicon rubber, and it comprises by weight:
The A component:
The B component:
4340～4760 parts of vinyl silicone oils
840～1260 parts of thermal silicas
12.4～16.6 parts of catalyzer.
Preferably, described mouth mask comprises A component and B component with addition-type silicon rubber, and it comprises by weight:
The A component:
The B component:
4380～4720 parts of vinyl silicone oils
880～1220 parts of thermal silicas
12.8～16.2 parts of catalyzer.
Preferably, the viscosity of described vinyl silicone oil is 15000～20000cps, for example 15500cps, 16000cps, 16500cps, 17000cps, 17500cps, 18000cps, 18500cps, 19000cps or 19500cps, preferred 15400～19600cps, further preferred 15800～19200cps.
Preferably, the contents of ethylene of described vinyl silicone oil is 0.15～0.25wt%, for example 0.16wt%, 0.17wt%, 0.18wt%, 0.19wt%, 0.20wt%, 0.21wt%, 0.22wt%, 0.23wt% or 0.24wt%, preferred 0.155～0.245wt%, further preferred 0.165～0.235wt%.
Preferably, described Silicon Containing Hydrogen oil viscosity is 20～100cps, for example 25cps, 30cps, 35cps, 40cps, 45cps, 50cps, 55cps, 60cps, 65cps, 70cps, 75cps, 80cps, 85cps, 90cps or 95cps, preferred 24～96cps, further preferred 28～92cps.
Preferably, the hydrogen content of described containing hydrogen silicone oil is 0.11～0.21wt%, for example 0.12wt%, 0.13wt%, 0.14wt%, 0.15wt%, 0.16wt%, 0.17wt%, 0.18wt%, 0.19wt% or 0.20wt%, preferred 0.115～0.205wt%, further preferred 0.125～0.195wt%.
Preferably, the specific surface area of described thermal silica is 200～400m
2/ g, for example 210m
2/ g, 220m
2/ g, 230m
2/ g, 240m
2/ g, 250m
2/ g, 260m
2/ g, 270m
2/ g, 280m
2/ g, 290m
2/ g, 300m
2/ g, 310m
2/ g, 320m
2/ g, 330m
2/ g, 340m
2/ g, 350m
2/ g, 360m
2/ g, 370m
2/ g, 380m
2/ g or 390m
2/ g, preferably 205～395m
2/ g, further preferred 215～385m
2/ g.
Preferably, the mixture that described inhibitor is any one or at least two kinds in vinyl end socket, 2-methyl-3-butynyl-2 alcohol, 3-methyl isophthalic acid-ethynyl-3-alcohol, 3,5 dimethyl-1-hexin base-3-alcohol or 1-ethynyl-1-hexalin.Described mixture is the mixture of vinyl end socket and 2-methyl-3-butynyl-2 alcohol for example, 3-methyl isophthalic acid-ethynyl-3-alcohol and 3, the mixture of 5 dimethyl-1-hexin base-3-alcohol, the mixture of 1-ethynyl-1-hexalin and vinyl end socket, the mixture of 2-methyl-3-butynyl-2 alcohol and 3-methyl isophthalic acid-ethynyl-3-alcohol, the mixture of 3,5 dimethyl-1-hexin base-3-alcohol and 1-ethynyl-1-hexalin.
Preferably, described thermal silica is through surface treatment, and described surface-treated treatment agent is selected from hexamethyldisilazane and water.
Preferably, 5～15% of the weight that the add-on of described hexamethyldisilazane is thermal silica, for example 6%, 7%, 8%, 9%, 10%, 11%, 12%, 13% or 14%.
Preferably, 1～4% of the weight that the add-on of described water is thermal silica, for example 1.2%, 1.4%, 1.6%, 1.8%, 2%, 2.2%, 2.4%, 2.6%, 2.8%, 3%, 3.2%, 3.4%, 3.6% or 3.8%.
When above-mentioned mouth mask is used with addition-type silicon rubber, the weight ratio of A glue and B glue is 1:1.
Two of purpose of the present invention is to provide a kind of mouth mask as implied above preparation method of addition-type silicon rubber, and described method comprises the steps:
(1) preparation of A component rubber master batch: add vinyl silicone oil, thermal silica and the treatment agent room temperature kneading alternatively of formula ratio according to the formula of A component in kneader, then heat up, vacuumize, obtain rubber master batch;
(2) above-mentioned rubber master batch is added in power mixer, add containing hydrogen silicone oil and the inhibitor of formula ratio, stir, vacuumize, obtain A glue;
(3) preparation of B component rubber master batch: add vinyl silicone oil, thermal silica and the treatment agent room temperature kneading alternatively of formula ratio according to the formula of B component in kneader, then heat up, vacuumize, obtain rubber master batch;
(4) above-mentioned rubber master batch is added in power mixer, add the catalyzer of formula ratio, stir, vacuumize, obtain B glue.
Preferably, the time that described room temperature is mediated is 30～60min, for example 33min, 36min, 39min, 42min, 45min, 48min, 51min, 54min, 57min or 59min.
Preferably, be warming up to 170～190 ℃, for example 172 ℃, 174 ℃, 176 ℃, 178 ℃, 180 ℃, 182 ℃, 184 ℃, 186 ℃ or 188 ℃, preferably be warming up to 180 ℃.
Preferably, the vacuum tightness of step (1) after vacuumizing for-below 0.08MPa.
Preferably, the vacuum tightness of step (1) after vacuumizing for-below 0.08MPa.
Preferably, step (1) vacuumizes rear maintenance 2～4h, for example 2.2h, 2.4h, 2.6h, 2.8h, 3h, 3.2h, 3.4h, 3.6h or 3.8h.
Preferably, step (3) vacuumizes rear maintenance 2～4h, for example 2.2h, 2.4h, 2.6h, 2.8h, 3h, 3.2h, 3.4h, 3.6h or 3.8h.
Preferably, step (2) vacuumizes rear maintenance 0.5～1.5h, for example 0.6h, 0.7h, 0.8h, 0.9h, 1h, 1.1h, 1.2h, 1.3h or 1.4h.
Preferably, step (4) vacuumizes rear maintenance 0.5～1.5h, for example 0.6h, 0.7h, 0.8h, 0.9h, 1h, 1.1h, 1.2h, 1.3h or 1.4h.
The preparation method of addition-type silicon rubber for exemplary mouth mask a kind of as implied above, described method comprises the steps:
(1) preparation of A component rubber master batch: according to the formula of A component in kneader, add the vinyl silicone oil, thermal silica of formula ratio and alternatively the treatment agent room temperature mediate 30～60min, then be warming up to 180 ℃, vacuumize, keep vacuum tightness in kneader-below 0.08MPa, keep 3h, obtain rubber master batch;
(2) above-mentioned rubber master batch is added in power mixer, add containing hydrogen silicone oil and the inhibitor of formula ratio, stir, vacuumize and keep 1h, obtain A glue;
(3) preparation of B component rubber master batch: according to the formula of B component in kneader, add the vinyl silicone oil, thermal silica of formula ratio and alternatively the treatment agent room temperature mediate 30～60min, then be warming up to 180 ℃, vacuumize, keep vacuum tightness in kneader-below 0.08MPa, keep 3h, obtain rubber master batch;
(4) above-mentioned rubber master batch is added in power mixer, add the catalyzer of formula ratio, stir, vacuumize and keep 1h, obtain B glue.
Compared with the prior art, the present invention has following beneficial effect:
Addition-type silicon rubber transparency high (reaching 80%) not only for mouth mask of the present invention, and can be excellent aspect stretch-proof and tear strength, and very high elongation and cementability are preferably arranged, can be good at protecting mouth mask.
The stretch-proof of described addition-type silicon rubber and tear resistance are good, and elongation is outstanding, and Ts can reach 6MPa, and Tsz can reach 22Kgf/cm, and elongation can reach 800%.
Embodiment
For the present invention is described better, be convenient to understand technical scheme of the present invention, typical but non-limiting embodiment of the present invention is as follows:
Embodiment 1
A kind of mouth mask addition-type silicon rubber, described addition-type silicon rubber comprises A component and B component, it comprises by weight:
The A component:
The B component:
4300 parts of vinyl silicone oils
800 parts of thermal silicas
12 parts of catalyzer.
The viscosity of described vinyl silicone oil is 15000cps.
The contents of ethylene of described vinyl silicone oil is 0.15%.
Described Silicon Containing Hydrogen oil viscosity is 20cps.
The hydrogen content of described containing hydrogen silicone oil is 0.11%.
The specific surface area of described thermal silica is 200～400m
2/ g.
Described inhibitor is the vinyl end socket.
Described thermal silica is through surface treatment, and described surface-treated treatment agent is selected from hexamethyldisilazane and water.10% of the weight that the add-on of described hexamethyldisilazane is thermal silica; 2% of the weight that the add-on of described water is thermal silica.
A kind of mouth mask as implied above preparation method of addition-type silicon rubber, described method comprises the steps:
(1) preparation of A component rubber master batch: according to the formula of A component in kneader, add the vinyl silicone oil, thermal silica of formula ratio and alternatively the treatment agent room temperature mediate 30～60min, then be warming up to 170～190 ℃, vacuumize, keep vacuum tightness in kneader-below 0.08MPa, keep 2～4h, obtain rubber master batch;
(2) above-mentioned rubber master batch is added in power mixer, add containing hydrogen silicone oil and the inhibitor of formula ratio, stir, vacuumize and keep 0.5～1.5h, obtain A glue;
(3) preparation of B component rubber master batch: according to the formula of B component in kneader, add the vinyl silicone oil, thermal silica of formula ratio and alternatively the treatment agent room temperature mediate 30～60min, then be warming up to 170～190 ℃, vacuumize, keep vacuum tightness in kneader-below 0.08MPa, keep 2～4h, obtain rubber master batch;
(4) above-mentioned rubber master batch is added in power mixer, add the catalyzer of formula ratio, stir, vacuumize and keep 0.5～1.5h, obtain B glue.
Embodiment 2
A kind of mouth mask addition-type silicon rubber, described addition-type silicon rubber comprises A component and B component, it comprises by weight:
The A component:
The B component:
4800 parts of vinyl silicone oils
1300 parts of thermal silicas
17 parts of catalyzer.
The viscosity of described vinyl silicone oil is 20000cps.
The contents of ethylene of described vinyl silicone oil is 0.25%.
Described Silicon Containing Hydrogen oil viscosity is 100cps.
The hydrogen content of described containing hydrogen silicone oil is 0.21%.
The specific surface area of described thermal silica is 400 m
2/ g.
Described inhibitor is 1-ethynyl-1-hexalin.
Described thermal silica is through surface treatment, and described surface-treated treatment agent is selected from hexamethyldisilazane and water.10% of the weight that the add-on of described hexamethyldisilazane is thermal silica; 2% of the weight that the add-on of described water is thermal silica.
A kind of mouth mask as implied above preparation method of addition-type silicon rubber, described method comprises the steps:
(1) preparation of A component rubber master batch: according to the formula of A component in kneader, add the vinyl silicone oil, thermal silica of formula ratio and alternatively the treatment agent room temperature mediate 30～60min, then be warming up to 170～190 ℃, vacuumize, keep vacuum tightness in kneader-below 0.08MPa, keep 2～4h, obtain rubber master batch;
(2) above-mentioned rubber master batch is added in power mixer, add containing hydrogen silicone oil and the inhibitor of formula ratio, stir, vacuumize and keep 0.5～1.5h, obtain A glue;
(3) preparation of B component rubber master batch: according to the formula of B component in kneader, add the vinyl silicone oil, thermal silica of formula ratio and alternatively the treatment agent room temperature mediate 30～60min, then be warming up to 170～190 ℃, vacuumize, keep vacuum tightness in kneader-below 0.08MPa, keep 2～4h, obtain rubber master batch;
(4) above-mentioned rubber master batch is added in power mixer, add the catalyzer of formula ratio, stir, vacuumize and keep 0.5～1.5h, obtain B glue.
Embodiment 3
A kind of mouth mask addition-type silicon rubber, described addition-type silicon rubber comprises A component and B component, it comprises by weight:
The A component:
The B component:
4400 parts of vinyl silicone oils
1200 parts of thermal silicas
14 parts of catalyzer.
The viscosity of described vinyl silicone oil is 17000cps.
The contents of ethylene of described vinyl silicone oil is 0.18%.
Described Silicon Containing Hydrogen oil viscosity is 64cps.
The hydrogen content of described containing hydrogen silicone oil is 0.14%.
The specific surface area of described thermal silica is 285m
2/ g.
Described inhibitor is 2-methyl-3-butynyl-2 alcohol.
Described thermal silica is through surface treatment, and described surface-treated treatment agent is selected from hexamethyldisilazane and water.10% of the weight that the add-on of described hexamethyldisilazane is thermal silica; 2% of the weight that the add-on of described water is thermal silica.
A kind of mouth mask as implied above preparation method of addition-type silicon rubber, described method comprises the steps:
(1) preparation of A component rubber master batch: according to the formula of A component in kneader, add the vinyl silicone oil, thermal silica of formula ratio and alternatively the treatment agent room temperature mediate 30～60min, then be warming up to 170～190 ℃, vacuumize, keep vacuum tightness in kneader-below 0.08MPa, keep 2～4h, obtain rubber master batch;
(2) above-mentioned rubber master batch is added in power mixer, add containing hydrogen silicone oil and the inhibitor of formula ratio, stir, vacuumize and keep 0.5～1.5h, obtain A glue;
(3) preparation of B component rubber master batch: according to the formula of B component in kneader, add the vinyl silicone oil, thermal silica of formula ratio and alternatively the treatment agent room temperature mediate 30～60min, then be warming up to 170～190 ℃, vacuumize, keep vacuum tightness in kneader-below 0.08MPa, keep 2～4h, obtain rubber master batch;
(4) above-mentioned rubber master batch is added in power mixer, add the catalyzer of formula ratio, stir, vacuumize and keep 0.5～1.5h, obtain B glue.
The stretch-proof of described addition-type silicon rubber and tear resistance are good, and elongation is outstanding, and Ts can reach 6MPa, and Tsz can reach 22Kgf/cm, and elongation can reach 800%.
Should be noted that and understand, in the situation that do not break away from the desired the spirit and scope of the present invention of accompanying claim, can make to the present invention of foregoing detailed description various modifications and improvement.Therefore, the scope of claimed technical scheme is not subject to the restriction of given any specific exemplary teachings.
Applicant's statement, the present invention illustrates detailed method of the present invention by above-described embodiment, but the present invention is not limited to above-mentioned detailed method, does not mean that the present invention must rely on above-mentioned detailed method and could implement.The person of ordinary skill in the field should understand, any improvement in the present invention, to the interpolation of the equivalence replacement of each raw material of product of the present invention and ancillary component, the selection of concrete mode etc., within all dropping on protection scope of the present invention and open scope.
Claims (10)
1. a mouth mask addition-type silicon rubber, is characterized in that, described addition-type silicon rubber comprises A component and B component, and it comprises by weight:
The A component:
The B component:
4300～4800 parts of vinyl silicone oils
800～1300 parts of thermal silicas
12～17 parts of catalyzer.
2. addition-type silicon rubber as claimed in claim 1, is characterized in that, described mouth mask comprises A component and B component with addition-type silicon rubber, and it comprises by weight:
The A component:
The B component:
4340～4760 parts of vinyl silicone oils
840～1260 parts of thermal silicas
12.4～16.6 parts of catalyzer.
3. addition-type silicon rubber as claimed in claim 1 or 2, is characterized in that, described mouth mask comprises A component and B component with addition-type silicon rubber, and it comprises by weight:
The A component:
The B component:
4380～4720 parts of vinyl silicone oils
880～1220 parts of thermal silicas
12.8～16.2 parts of catalyzer.
4. addition-type silicon rubber as described as one of claim 1-3, is characterized in that, the viscosity of described vinyl silicone oil is 15000～20000cps, preferred 15400～19600cps, further preferred 15800～19200cps;
Preferably, the contents of ethylene of described vinyl silicone oil is 0.15～0.25wt%, preferred 0.155～0.245wt%, further preferred 0.165～0.235wt%;
Preferably, described Silicon Containing Hydrogen oil viscosity is 20～100cps, preferred 24～96cps, further preferred 28～92cps;
Preferably, the hydrogen content of described containing hydrogen silicone oil is 0.11～0.21wt%, preferred 0.115～0.205wt%, further preferred 0.125～0.195wt%.
5. addition-type silicon rubber as described as one of claim 1-4, is characterized in that, the specific surface area of described thermal silica is 200～400m
2/ g, preferably 205～395m
2/ g, further preferred 215～385m
2/ g;
Preferably, the mixture that described inhibitor is any one or at least two kinds in vinyl end socket, 2-methyl-3-butynyl-2 alcohol, 3-methyl isophthalic acid-ethynyl-3-alcohol, 3,5 dimethyl-1-hexin base-3-alcohol or 1-ethynyl-1-hexalin.
6. addition-type silicon rubber as described as one of claim 1-5, is characterized in that, described thermal silica is through surface treatment, and described surface-treated treatment agent is selected from hexamethyldisilazane and water;
Preferably, 5～15% of the weight that the add-on of described hexamethyldisilazane is thermal silica;
Preferably, 1～4% of the weight that the add-on of described water is thermal silica.
7. the preparation method of a mouth mask use addition-type silicon rubber as described as one of claim 1-6, is characterized in that, described method comprises the steps:
(1) preparation of A component rubber master batch: add vinyl silicone oil, thermal silica and the treatment agent room temperature kneading alternatively of formula ratio according to the formula of A component in kneader, then heat up, vacuumize, obtain rubber master batch;
(2) above-mentioned rubber master batch is added in power mixer, add containing hydrogen silicone oil and the inhibitor of formula ratio, stir, vacuumize, obtain A glue;
(3) preparation of B component rubber master batch: add vinyl silicone oil, thermal silica and the treatment agent room temperature kneading alternatively of formula ratio according to the formula of B component in kneader, then heat up, vacuumize, obtain rubber master batch;
(4) above-mentioned rubber master batch is added in power mixer, add the catalyzer of formula ratio, stir, vacuumize, obtain B glue.
8. method as claimed in claim 7, is characterized in that, the time that described room temperature is mediated is 30～60min;
Preferably, be warming up to 170～190 ℃, preferably be warming up to 180 ℃.
9. method as claimed in claim 7 or 8, is characterized in that, the vacuum tightness after step (1) vacuumizes for-below 0.08MPa;
Preferably, the vacuum tightness of step (1) after vacuumizing for-below 0.08MPa.
10. method as described as one of claim 7-9, is characterized in that, step (1) vacuumizes rear maintenance 2～4h;
Preferably, step (3) vacuumizes rear maintenance 2～4h;
Preferably, step (2) vacuumizes rear maintenance 0.5～1.5h;
Preferably, step (4) vacuumizes rear maintenance 0.5～1.5h.
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|---|---|---|---|
| CN201310391004.2A CN103467999B (en) | 2013-08-30 | 2013-08-30 | A kind of Addition type silicone rubber for mask and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104098916A (en) * | 2014-07-29 | 2014-10-15 | 东莞兆舜有机硅新材料科技有限公司 | Addition type ultra-soft silicone rubber, as well as preparation method and application thereof |
| CN105385169A (en) * | 2015-12-22 | 2016-03-09 | 汕头市科源有机硅材料有限公司 | Two-component high-tear-resistance liquid silicone rubber for mold production, and preparation method thereof |
| CN111228897A (en) * | 2020-02-17 | 2020-06-05 | 苏州桐力光电股份有限公司 | Organosilicon porous breathable sterilizing nano filter material for mask and preparation method thereof |
| CN114702829A (en) * | 2022-03-23 | 2022-07-05 | 江苏天辰新材料股份有限公司 | Addition type silicone rubber for chip transmission film and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649115A (en) * | 2009-08-19 | 2010-02-17 | 中山市聚合电子材料有限公司 | Liquid silicon rubber composition for breast nursing simulated baby nipple and method for making nipple |
-
2013
- 2013-08-30 CN CN201310391004.2A patent/CN103467999B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649115A (en) * | 2009-08-19 | 2010-02-17 | 中山市聚合电子材料有限公司 | Liquid silicon rubber composition for breast nursing simulated baby nipple and method for making nipple |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104098916A (en) * | 2014-07-29 | 2014-10-15 | 东莞兆舜有机硅新材料科技有限公司 | Addition type ultra-soft silicone rubber, as well as preparation method and application thereof |
| CN105385169A (en) * | 2015-12-22 | 2016-03-09 | 汕头市科源有机硅材料有限公司 | Two-component high-tear-resistance liquid silicone rubber for mold production, and preparation method thereof |
| CN111228897A (en) * | 2020-02-17 | 2020-06-05 | 苏州桐力光电股份有限公司 | Organosilicon porous breathable sterilizing nano filter material for mask and preparation method thereof |
| CN114702829A (en) * | 2022-03-23 | 2022-07-05 | 江苏天辰新材料股份有限公司 | Addition type silicone rubber for chip transmission film and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103467999B (en) | 2015-12-02 |
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