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公开(公告)号：US11655353B2
公开(公告)日：2023-05-23
申请号：US16777923
申请日：2020-01-31
CPC分类号： C08K3/04 , B05D1/007 , C01B32/225 , C08J7/04 , C08K3/26 , C08K7/00 , C01P2004/24 , C08J2333/04 , C08J2367/06 , C08K2003/265 , C08K2201/011
摘要： A sheet molding compound (SMC) is provided with superior conductivity properties based on the use of graphitics. A process for exfoliation of GnP and turbostratic carbon is also provided. By exfoliating the graphitics, a reduced amount of material can confer comparable properties relative to native GnPs or turbostratic carbon thereby reducing the amount of material usage, but also reducing negative effects to the base resin formulation through inclusion of these additives. Particular utility is found in thermoset resin molding to produce articles that are amenable to electrostatic coating and other surface treatments that rely on surface conductivity and especially in the realm of vehicle body parts.
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公开(公告)号：US20220306857A1
公开(公告)日：2022-09-29
申请号：US17635464
申请日：2020-08-14
发明人： David J. Krug, III , Nicholas T. Kamar , Michael Z. Asuncion , Steven L. Prascius , MIchael J. Siwajek
IPC分类号： C08L67/06 , C08J5/04 , C09D163/00
摘要： A cured article includes a cured thermoset resin matrix defining an article surface. Hollow glass microspheroids are dispersed in the cured thermoset resin matrix. A low profile additive package is dispersed in the cured thermoset resin matrix. A plurality of carbon fiber bundles are present and wet by the cured thermoset resin matrix. The matrix formed from a prepolymer and styrenic monomer. A free radical initiator is provided to cure the thermoset resin matrix and having limited decomposition products with a boiling point of between 160-210° C.; wherein the article emits less than 250 parts per million (ppm) of volatiles as measured after heating to 185° C. at a rate of 14° C./min and held for 1 minute.
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公开(公告)号：US20200165410A1
公开(公告)日：2020-05-28
申请号：US16777923
申请日：2020-01-31
摘要： A sheet molding compound (SMC) is provided with superior conductivity properties based on the use of graphitics. A process for exfoliation of GnP and turbostratic carbon is also provided. By exfoliating the graphitics, a reduced amount of material can confer comparable properties relative to native GnPs or turbostratic carbon thereby reducing the amount of material usage, but also reducing negative effects to the base resin formulation through inclusion of these additives. Particular utility is found in thermoset resin molding to produce articles that are amenable to electrostatic coating and other surface treatments that rely on surface conductivity and especially in the realm of vehicle body parts.
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