CN105694461A - Graphene oxide-modified silicone rubber composite and preparation method thereof - Google Patents

Graphene oxide-modified silicone rubber composite and preparation method thereof Download PDF

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Publication number
CN105694461A
CN105694461A CN201610135759.XA CN201610135759A CN105694461A CN 105694461 A CN105694461 A CN 105694461A CN 201610135759 A CN201610135759 A CN 201610135759A CN 105694461 A CN105694461 A CN 105694461A
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graphene oxide
modified
silicone rubber
parts
rubber composite
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高群
徐燕
欧阳春发
蓝振华
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SHANGHAI CAREER METALLURGICAL FURNACE CO Ltd
Shanghai Institute of Technology
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SHANGHAI CAREER METALLURGICAL FURNACE CO Ltd
Shanghai Institute of Technology
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/02Elements
    • C08K3/04Carbon
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/54Silicon-containing compounds
    • C08K5/541Silicon-containing compounds containing oxygen
    • C08K5/5415Silicon-containing compounds containing oxygen containing at least one Si—O bond
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00Use of pretreated ingredients
    • C08K9/04Ingredients treated with organic substances
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00Use of pretreated ingredients
    • C08K9/04Ingredients treated with organic substances
    • C08K9/06Ingredients treated with organic substances with silicon-containing compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/002Physical properties
    • C08K2201/003Additives being defined by their diameter
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/002Physical properties
    • C08K2201/006Additives being defined by their surface area
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation

Abstract

The invention discloses a graphene oxide-modified silicone rubber composite. The composite is prepared from components in parts by weight as follows: 100 parts of phenyl silicone rubber, 0.01-0.2 parts of silane coupling agent-modified graphene oxide or isocyanate-modified graphene oxide, 1-3 parts of stannous octoate and 1-10 parts of tetraethoxysilane. The invention further provides a preparation method of the graphene oxide-modified silicone rubber composite. Modified graphene oxide is subjected to ultrasonic dispersion and added to the silicone rubber, a homogeneous mixed solution is obtained through ultrasonic treatment, a solvent is removed in a vacuum oven, a catalyst and a curing agent are added, the mixture is poured into a mold for vacuum defoaming and cured at the room temperature, and the graphene oxide-modified nano-composite is obtained. The compatibility of graphene oxide is improved by the aid of a silane coupling agent and isocyanate, the dispersity of graphene in the phenyl silicone rubber is significantly improved, and the prepared phenyl silicone rubber material has excellent dielectric, heat-conducting and mechanical properties.

Description

A kind of graphene oxide modified silicon rubber composite and preparation method thereof
Technical field
The invention belongs to materialogy field, relate to a kind of silicone rubber, specifically a kind of graphene oxide modified silicon rubber composite and preparation method thereof。
Background technology
Phenyl siloxane rubber is a kind of room temperature vulcanized silicone rubber introducing phenyl on the siloxane main chain of silicone rubber。Room temperature vulcanized silicone rubber is widely applied in recent years in electronic device product, especially encapsulating material。Silicone rubber itself has the performances such as good electric insulating quality, weatherability, thermostability, requires to have good light transmission, thermal diffusivity, electrical insulating property and resistance to ag(e)ing etc. especially as encapsulating material。Development along with light emitting diode (LED), traditional encapsulating material can not meet the requirement of encapsulation in reliability and resistance to ultraviolet and heat aging performance, and organosilicon material is due to the advantage in above-mentioned performance, it is believed that be the optimal material for high-power LED encapsulation。
Patent CN102863799A discloses a kind of high index of refraction organosilicon material for LED encapsulation and preparation method thereof, it is characterised in that as reactive matrix, phenyl vinyl polysiloxane, hydrogeneous phenyl polysiloxane are prepared high index of refraction organosilicon material。
Patent CN103937259A discloses modified composite wood type heat-conducting silicon rubber of a kind of graphene oxide and preparation method thereof, it is characterised in that adopting the organopolysiloxane containing vinyl chain link is that base glue is to prepare high-thermal-conductivity low-expansibility composite silica rubber。
Patent CN102863799A, while improving silicones refractive index, does not study the change of its heat conductivility, and patent CN103937259A is while improving its heat conductivility, does not probe into again the change of its dielectric properties。
Graphene has bigger specific surface area, good heat-conductivity conducting, high strength, high electron mobility, and pure Graphene has the light transmittance up to 97.7%, and the performance of these excellences can be used to improve silicone rubber。Surface of graphene oxide contains abundant active function groups, it is easy to surface modification, adds dispersibility, improves the interface interaction between polymer, adds minute quantity and can improve the combination property of composite。
Summary of the invention
For above-mentioned technical problem of the prior art, the invention provides a kind of graphene oxide modified silicon rubber composite and preparation method thereof, described this graphene oxide modified silicon rubber composite and preparation method thereof to solve the traditional encapsulating material of prior art can not meet the technical problem that encapsulation requires in reliability, resistance to ultraviolet, heat aging performance。
The invention provides the room temperature vulcanized silicone rubber composite that a kind of graphene oxide is modified, count by weight, be made up of following component:
The preparation method that present invention also offers the modified silicon rubber composite material of above-mentioned a kind of graphene oxide, comprises the steps:
1) each reacting substance is weighed according to parts by weight;
2) in modified graphene oxide, add the ultrasonic uniformly dispersion liquid of acetone soln, be subsequently adding phenyl siloxane rubber, continue ultrasonic disperse;
3) above-mentioned reaction solution is put into removing solvent in the vacuum drying oven of 40~60 DEG C, solvent adds stannous octoate and tetraethyl orthosilicate after being evaporated, pouring levelling in mould after stirring into, then carry out vacuum defoamation, namely cured at room temperature obtains the silicon rubber composite material that graphene oxide is modified。
Further, described modified graphene oxide is prepared by following method:
In parts by weight, the graphene oxide of 0.1~0.2 part is become homogeneous solution with the dehydrated alcohol ultrasonic disperse of 100~200 parts, add 1~2 part of silane coupler gamma-aminopropyl-triethoxy-silane, 70~85 DEG C of return stirring 20~30h, reactant liquor is centrifuged 5~8min with the speed of 8000~10000r/min, and carries out cyclic washing with dehydrated alcohol after terminating by reaction, 50~60 DEG C of dry 24h of vacuum, are ground gained solid and obtain silane coupler modified graphene oxide。
Further, described modified graphene oxide is prepared by following method:
In parts by weight, its concrete steps include: by the graphene oxide of 0.1~0.2 part N with 100~200 parts, dinethylformamide ultrasonic disperse becomes uniform solution, inflated with nitrogen, add 1~2 part of methyl diphenylene diisocyanate dissolved by 5~10 parts of DMF, instill 3~5 dibutyl tin dilaurates, 75~85 DEG C of stirring 24~48h, after reaction terminates, by reactant liquor centrifugation 5~8min with 8000~10000r/min, first carry out cyclic washing with acetone again with DMF, 40~50 DEG C of vacuum dries 20~30h, namely isocyanate-modified graphene oxide is obtained after gained solid abrasive。
Concrete, described silicone rubber is the raw-silastic continuously containing phenyl, and its viscosity is 4700mPa s, and phenyl content is 9.6%。
Concrete, described graphene oxide is lamella diameter 0.5-5 μm, thickness 0.335-1.0nm, specific surface area 1000-1217m2The single-layer graphene oxide of/g。
The present invention adopts solution mixing method to prepare nano composite material, the graphene oxide of modified mistake is carried out ultrasonic disperse, and it is ultrasonic for homogeneous mixed solution to be added in silicone rubber, vacuum drying oven removes solvent, add octoate catalyst Asia stannum and firming agent tetraethyl orthosilicate, pour into and mould carries out vacuum defoamation, cold curing, obtain the nano composite material that graphene oxide is modified。
The present invention is utilized respectively silane coupler and isocyanates to improve the compatibility of graphene oxide, improves Graphene dispersibility in phenyl siloxane rubber significantly。Through comparing, the excellent properties of Graphene can be used to improve the heat conductivity of silicone rubber simultaneously, keeps its light transmission not decline。
The present invention compares with prior art, and its technological progress is significant。Phenyl siloxane rubber material prepared by the method for the present invention is adopted to have the dielectric properties of excellence, heat conductivility and mechanical property。
Detailed description of the invention
Provide further illustrating of the present invention below in conjunction with example, contribute to understanding the present invention, but this should be confined to explanation of the invention。
In various embodiments of the present invention, raw materials used manufacturer and specification are as follows, and other are commercially available if no special instructions。
Phenyl siloxane rubber adopts the product that the trade mark is 108-1 that Shanghai Resin Factory Co., Ltd. produces;
Graphene oxide is that Suzhou Heng Qiu Graphene Science and Technology Ltd. produces, lamella diameter: 0.5-5 μm, the number of plies: 1-2;
Silane coupler is the product that the trade mark is KH550 that Chemical Reagent Co., Ltd., Sinopharm Group produces。
Isocyanates used adopts the uncommon love (Shanghai) of ladder to be melted into the diphenyl methane-4,4 that industrial development company limited produces '-diisocyanate。
Embodiment 1
Adding 0.2g graphene oxide in the four-hole boiling flask of 500mL, 200g dehydrated alcohol, under the ultrasound wave of 500W, ultrasonic 30min is dispersed into uniform solution。Being placed in oil bath by flask, add the 2g Silane coupling agent KH550 of the anhydrous alcohol solution of 5g under mechanical agitation, heat up 80 DEG C of backflow 24h。Reaction is lowered the temperature after terminating, and by mixed liquor centrifugal 6min under the centrifugal speed of 10000r/min, then with dehydrated alcohol cyclic washing precipitate, after 24h dry at 60 DEG C of precipitate vacuum, grinds and obtain silane coupler modified graphene oxide。
Weighing 100g phenyl siloxane rubber, after the modified graphene oxide by 0.01% adds the acetone ultrasonic disperse 30min of 5g, add in silicone rubber after ultrasonic 30min, heat up 60 DEG C of removing solvents。After solvent is evaporated, the mixed liquor of silicone rubber and Graphene is separately added into 1g stannous octoate, 1g tetraethyl orthosilicate, pours into after stirring in mould, vacuum >-0.1MPa when carry out vacuum defoamation, levelling is placed on cured at room temperature 24h。
Embodiment 2
Adding 0.2g graphene oxide in the four-hole boiling flask of 500mL, 200g dehydrated alcohol, under the ultrasound wave of 500W, ultrasonic 30min is dispersed into uniform solution。Being placed in oil bath by flask, add the 2g Silane coupling agent KH550 of the anhydrous alcohol solution of 5g under mechanical agitation, heat up 80 DEG C of backflow 24h。Reaction is lowered the temperature after terminating, and by mixed liquor centrifugal 6min under the centrifugal speed of 10000r/min, then with dehydrated alcohol cyclic washing precipitate, after 24h dry at 60 DEG C of precipitate vacuum, grinds and obtain silane coupler modified graphene oxide。
Weighing 100g phenyl siloxane rubber, after the modified graphene oxide by 0.1% adds the acetone ultrasonic disperse 30min of 10g, add in silicone rubber after ultrasonic 30min, heat up 60 DEG C of removing solvents。After solvent is evaporated, the mixed liquor of silicone rubber and Graphene is separately added into 2g stannous octoate, 5g tetraethyl orthosilicate, pours into after stirring in mould, vacuum >-0.1MPa when carry out vacuum defoamation, levelling is placed on cured at room temperature 24h。
Embodiment 3
The four-hole boiling flask of 500mL adds 0.2g graphene oxide, 200gN, dinethylformamide (DMF) ultrasonic disperse 30min, it is placed in oil bath, heat up 80 DEG C of mechanical agitation, is filled with nitrogen, adds the 2g methyl diphenylene diisocyanate (MDI) dissolved by 5gDMF, instill 5 dibutyl tin dilaurates, react 24h under nitrogen atmosphere。After reaction terminates, reactant liquor is centrifuged under the speed of 10000r/min, and first with DMF again with acetone cyclic washing reactant liquor until the MDI of remnants washes off completely, by the solid of centrifugal gained in 50 DEG C of dry 24h of vacuum, after grinding, namely obtain isocyanate-modified graphene oxide。
Weigh 100g phenyl siloxane rubber, after the modified graphene oxide by 0.1% adds the acetone ultrasonic disperse 30min of 10g, add ultrasonic 30min in silicone rubber, heat up 60 DEG C and remove solvent。After solvent is evaporated, the mixed liquor of silicone rubber and Graphene is separately added into 2g stannous octoate, 5g tetraethyl orthosilicate, pours into after stirring in mould, vacuum >-0.1MPa when carry out vacuum defoamation, levelling is placed on cured at room temperature 24h。
Embodiment 4
The four-hole boiling flask of 500mL adds 0.2g graphene oxide, 200gN, dinethylformamide (DMF) ultrasonic disperse 30min, it is placed in oil bath, heat up 80 DEG C of mechanical agitation, is filled with nitrogen, adds the 2g methyl diphenylene diisocyanate (MDI) dissolved by 5gDMF, instill 5 dibutyl tin dilaurates, react 24h under nitrogen atmosphere。After reaction terminates, reactant liquor is centrifuged under the speed of 10000r/min, and first with DMF again with acetone cyclic washing reactant liquor until the MDI of remnants washes off completely, by the solid of centrifugal gained in 50 DEG C of dry 24h of vacuum, after grinding, namely obtain isocyanate-modified graphene oxide。
Weigh 100g phenyl siloxane rubber, after the modified graphene oxide by 0.2% adds the acetone ultrasonic disperse 30min of 15g, add ultrasonic 30min in silicone rubber, heat up 60 DEG C and remove solvent。After solvent is evaporated, the mixed liquor of silicone rubber and Graphene is separately added into 3g stannous octoate, 10g tetraethyl orthosilicate, pours into after stirring in mould, vacuum >-0.1MPa when carry out vacuum defoamation, levelling is placed on cured at room temperature 24h。
Comparative example
A kind of preparation method of blank silicone rubber, step is as follows:
100g108-1 silicone rubber adds 2g octoate catalyst Asia stannum and 5g firming agent tetraethyl orthosilicate, pours into after stirring in mould, carry out vacuum defoamation, after be placed in cured at room temperature 24h, obtain blank silicone rubber。
Phenyl siloxane rubber composite modified for above-described embodiment 1-4 gained graphene oxide, the dielectric constant of comparative example gained blank silicone rubber, thermal conductivity, hot strength, light transmittance being measured, acquired results is as follows:
Can be seen that from upper table under isodose filler adds, the performance of silicone rubber is improved to some extent by the graphene oxide that silane coupler modified graphene oxide and methyl diphenylene diisocyanate modifiy。Along with increasing of filer content, dielectric constant, heat conductivity and hot strength have a degree of increase。
Examples detailed above is the citing of the present invention, it is noted that for those skilled in the art, under the premise without departing from the technology of the present invention principle, it may also be made that some improvement, and these improvement also should be regarded as protection scope of the present invention。

Claims (4)

1. the room temperature vulcanized silicone rubber composite that a graphene oxide is modified, it is characterised in that count by weight, be made up of following component:
Phenyl siloxane rubber 100 parts;
Modified graphene oxide 0.01-0.2 part;
Stannous octoate 1-3 part;
Tetraethyl orthosilicate 1-10 part。
2. the preparation method of the silicon rubber composite material that a kind of graphene oxide described in claim 1 modifiies, it is characterised in that comprise the steps:
1) each reacting substance is weighed according to parts by weight;
2) in modified graphene oxide, add the ultrasonic uniformly dispersion liquid of acetone soln, be subsequently adding phenyl siloxane rubber, continue ultrasonic disperse;
3) above-mentioned reaction solution is put into removing solvent in the vacuum drying oven of 40 ~ 60 DEG C, solvent adds stannous octoate and tetraethyl orthosilicate after being evaporated, pouring levelling in mould after stirring into, then carry out vacuum defoamation, namely cured at room temperature obtains the silicon rubber composite material that graphene oxide is modified。
3. the room temperature vulcanized silicone rubber composite that a kind of graphene oxide according to claim 1 is modified, it is characterised in that described modified graphene oxide is prepared by following method:
In parts by weight, the graphene oxide of 0.1 ~ 0.2 part is become homogeneous solution with the dehydrated alcohol ultrasonic disperse of 100 ~ 200 parts, add 1 ~ 2 part of silane coupler gamma-aminopropyl-triethoxy-silane, 70 ~ 85 DEG C of return stirring 20 ~ 30h, reactant liquor is centrifuged 5 ~ 8min with the speed of 8000 ~ 10000r/min, and carries out cyclic washing with dehydrated alcohol after terminating by reaction, 50 ~ 60 DEG C of vacuum dries 20 ~ 30h, is ground by gained solid and obtains silane coupler modified graphene oxide。
4. the room temperature vulcanized silicone rubber composite that a kind of graphene oxide according to claim 1 is modified, it is characterised in that described modified graphene oxide is prepared by following method:
In parts by weight, by the graphene oxide of 0.1 ~ 0.2 part N with 100 ~ 200 parts, dinethylformamide ultrasonic disperse becomes uniform solution, inflated with nitrogen, add by 5 ~ 10 parts of N, 1 ~ 2 part of methyl diphenylene diisocyanate that dinethylformamide dissolves, instill 3 ~ 5 dibutyl tin dilaurates, 75 ~ 85 DEG C of stirring 24 ~ 48h, after reaction terminates, by reactant liquor centrifugation 5 ~ 8min with 8000 ~ 10000r/min, first with N, dinethylformamide carries out cyclic washing with acetone again, 40 ~ 50 DEG C of vacuum dries 20 ~ 30h, namely isocyanate-modified graphene oxide is obtained after gained solid abrasive。
CN201610135759.XA 2015-12-14 2016-03-10 Graphene oxide-modified silicone rubber composite and preparation method thereof Pending CN105694461A (en)

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CN106009680A (en) * 2016-07-29 2016-10-12 青岛科技大学 Silicone rubber/polylactic acid thermoplastic vulcanized rubber and preparation method thereof
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CN107501941A (en) * 2017-08-26 2017-12-22 福建师范大学 A kind of functional graphene oxide and room temperature vulcanized silicone rubber nano composite material and preparation method thereof
CN107868465A (en) * 2017-11-30 2018-04-03 中国科学院合肥物质科学研究院 A kind of heat conductive insulating composite with anisotropic structure and preparation method thereof
CN108034258A (en) * 2017-12-19 2018-05-15 中物院成都科学技术发展中心 A kind of high-barrier silicon rubber graphene composite material and preparation method thereof
CN108929542A (en) * 2018-08-09 2018-12-04 上海海事大学 A kind of dimethyl silicone polymer with negative permittivity/graphene flexible composite film and preparation method thereof
CN108940553A (en) * 2018-07-19 2018-12-07 佛山陵朝新材料有限公司 A kind of ore crushing grinding aid special
CN109082123A (en) * 2018-06-28 2018-12-25 上海电缆研究所有限公司 Modified electromagnetic shielding silastic material of graphene and preparation method thereof
CN109216530A (en) * 2017-06-29 2019-01-15 苏州新纳晶光电有限公司 It is a kind of can be improved solidify after LED lamp bead reliability preprocess method
CN109265843A (en) * 2018-09-12 2019-01-25 温州安宝乐鞋业科技有限公司 Safety antiskid shoes for pregnant woman
CN109593362A (en) * 2018-10-12 2019-04-09 安徽理工大学 A kind of layer graphene/organic silicon rubber composite material and preparation method less flexible
CN110172157A (en) * 2018-08-01 2019-08-27 江苏华夏制漆科技有限公司 A kind of modified organic silicone resin and its preparation method and application
CN110330782A (en) * 2019-06-26 2019-10-15 江苏理工学院 A kind of preparation method of modified graphene oxide/polyurethane heat resistant composite material
CN110524532A (en) * 2019-08-31 2019-12-03 三体次元信息科技(宁波)有限公司 Electron type artificial-muscle electric actuator and preparation method thereof and the application in finger actuation device
CN110591381A (en) * 2019-10-10 2019-12-20 广州赫尔普化工有限公司 Heat-conducting silicone rubber composite material and preparation method thereof
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CN106009680B (en) * 2016-07-29 2019-03-19 青岛科技大学 A kind of silicon rubber/polylactic acid thermoplastic sulfurized rubber and preparation method thereof
CN106674599B (en) * 2016-11-22 2019-02-01 北京国电富通科技发展有限责任公司 The preparation method and application of silicon rubber functionalization graphene
CN106674599A (en) * 2016-11-22 2017-05-17 北京国电富通科技发展有限责任公司 Preparation method and application of silicone rubber functionalized graphene
CN109216530A (en) * 2017-06-29 2019-01-15 苏州新纳晶光电有限公司 It is a kind of can be improved solidify after LED lamp bead reliability preprocess method
CN107501941A (en) * 2017-08-26 2017-12-22 福建师范大学 A kind of functional graphene oxide and room temperature vulcanized silicone rubber nano composite material and preparation method thereof
CN107868465A (en) * 2017-11-30 2018-04-03 中国科学院合肥物质科学研究院 A kind of heat conductive insulating composite with anisotropic structure and preparation method thereof
CN108034258A (en) * 2017-12-19 2018-05-15 中物院成都科学技术发展中心 A kind of high-barrier silicon rubber graphene composite material and preparation method thereof
CN109082123A (en) * 2018-06-28 2018-12-25 上海电缆研究所有限公司 Modified electromagnetic shielding silastic material of graphene and preparation method thereof
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CN110172157A (en) * 2018-08-01 2019-08-27 江苏华夏制漆科技有限公司 A kind of modified organic silicone resin and its preparation method and application
CN108929542A (en) * 2018-08-09 2018-12-04 上海海事大学 A kind of dimethyl silicone polymer with negative permittivity/graphene flexible composite film and preparation method thereof
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CN110330782A (en) * 2019-06-26 2019-10-15 江苏理工学院 A kind of preparation method of modified graphene oxide/polyurethane heat resistant composite material
CN110330782B (en) * 2019-06-26 2021-08-24 江苏理工学院 Preparation method of modified graphene oxide/polyurethane heat-resistant composite material
CN110524532A (en) * 2019-08-31 2019-12-03 三体次元信息科技(宁波)有限公司 Electron type artificial-muscle electric actuator and preparation method thereof and the application in finger actuation device
CN110524532B (en) * 2019-08-31 2020-12-11 三体次元信息科技(宁波)有限公司 Electronic artificial muscle electric actuator, preparation method thereof and application thereof in finger driving device
CN110591381A (en) * 2019-10-10 2019-12-20 广州赫尔普化工有限公司 Heat-conducting silicone rubber composite material and preparation method thereof
CN111690245A (en) * 2020-07-17 2020-09-22 合肥科拜耳材料科技有限公司 Wear-resistant and damp-heat resistant PC/ABS material and preparation method thereof
CN111690245B (en) * 2020-07-17 2022-04-01 合肥科拜尔新材料股份有限公司 Wear-resistant and damp-heat resistant PC/ABS material and preparation method thereof
CN111944318A (en) * 2020-07-30 2020-11-17 国网电力科学研究院武汉南瑞有限责任公司 Preparation method of silicone rubber composite insulating material with excellent mechanical property
CN113248874A (en) * 2021-05-12 2021-08-13 东莞市通锦新材料科技有限公司 Modified TPEE cable material and preparation method thereof

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