公开(公告)号：US12116511B2

公开(公告)日：2024-10-15

申请号：US18261336

申请日：2021-04-09

申请人： Dow Silicones Corporation ,  Dow Global Technologies LLC

发明人： Yunlong Guo ,  Hongyu Chen ,  David L. Malotky ,  Bin Chen ,  Zhihua Liu ,  Xiucuo Li ,  Yan Zhou ,  Wenjie Chen ,  Li Ding ,  Qiangqiang Yan

IPC分类号： C09J7/38 ,  B29B9/06 ,  B29C48/00 ,  B29C48/05 ,  B29C48/285 ,  B29C48/88 ,  B29C48/40 ,  B29K83/00 ,  B29K105/00 ,  B29K105/16

CPC分类号： C09J7/38 ,  B29B9/065 ,  B29C48/001 ,  B29C48/0022 ,  B29C48/022 ,  B29C48/05 ,  B29C48/288 ,  B29C48/297 ,  B29C48/911 ,  B29C48/40 ,  B29K2083/00 ,  B29K2105/16 ,  B29K2105/251 ,  C09J2301/302 ,  C09J2483/00

摘要： A process for preparing a waterborne dispersion of a silicone pressure sensitive adhesive base includes the use of a solventless polyorganosiloxane pellet containing a polyorganosilicate resin and a polyorganosiloxane gum. The waterborne dispersion of the silicone pressure sensitive adhesive base can be combined with a free radical initiator, and dried and cured to form a silicone pressure sensitive adhesive.

公开(公告)号：US20240301250A1

公开(公告)日：2024-09-12

申请号：US18261336

申请日：2021-04-09

申请人： Dow Silicones Corporation ,  Dow Global Technologies LLC

发明人： Yunlong Guo ,  Hongyu Chen ,  David L. Malotky ,  Bin Chen ,  Zhihua Liu ,  Xiucuo Li ,  Yan Zhou ,  Wenjie Chen ,  Li Ding ,  Qiangqiang Yan

IPC分类号： C09J7/38 ,  B29B9/06 ,  B29C48/00 ,  B29C48/05 ,  B29C48/285 ,  B29C48/40 ,  B29C48/88 ,  B29K83/00 ,  B29K105/00 ,  B29K105/16

CPC分类号： C09J7/38 ,  B29B9/065 ,  B29C48/001 ,  B29C48/0022 ,  B29C48/022 ,  B29C48/05 ,  B29C48/288 ,  B29C48/297 ,  B29C48/911 ,  B29C48/40 ,  B29K2083/00 ,  B29K2105/16 ,  B29K2105/251 ,  C09J2301/302 ,  C09J2483/00

摘要： A process for preparing a waterborne dispersion of a silicone pressure sensitive adhesive base includes the use of a solventless polyorganosiloxane pellet containing a polyorganosilicate resin and a polyorganosiloxane gum. The waterborne dispersion of the silicone pressure sensitive adhesive base can be combined with a free radical initiator, and dried and cured to form a silicone pressure sensitive adhesive.

公开(公告)号：US11845869B2

公开(公告)日：2023-12-19

申请号：US17620687

申请日：2019-06-21

申请人： DOW SILICONES CORPORATION ,  DOW TORAY CO., LTD.

发明人： Debo Hong ,  Xiucuo Li ,  Kazutoshi Okabe ,  Hiroshi Adachi ,  Lei Fang ,  Qi Chen

IPC分类号： C09D183/04 ,  C08G77/18 ,  C08K3/22 ,  C08K3/36 ,  C08K5/5415 ,  C08K5/544 ,  C08K5/549 ,  C08K3/26

CPC分类号： C09D183/04 ,  C08G77/18 ,  C08K3/22 ,  C08K3/36 ,  C08K5/544 ,  C08K5/549 ,  C08K5/5415 ,  C08K2003/2224 ,  C08K2003/2227 ,  C08K2003/2237 ,  C08K2003/2265 ,  C08K2003/265 ,  C08K2003/267 ,  C08K2201/006 ,  C08K3/36 ,  C08L83/04 ,  C08K9/06 ,  C08L83/04 ,  C08K3/22 ,  C08L83/04 ,  C09D183/04 ,  C08K3/22 ,  C08K3/36 ,  C08K5/549

摘要： A method for producing a thixotropic curable silicone composition is provided. The curable silicone composition comprises: (A) a silicone base material comprising: an organopolysiloxane having at least two alkoxysilyl-containing groups per molecule and a filler other than fumed silica; (B) a hydrophobic fumed silica; (C) a carbasilatrane derivative; (D) an alkoxysilane or its partial hydrolysis and condensation product; and (E) a condensation reaction catalyst. The method comprises the following steps: (I) mixing components (A) and (B); (II) mixing component (C) with a mixture obtained by step (I); and (III) mixing components (D) and (E) with a mixture obtained by step (II) under free of moisture. The curable silicone composition obtained by the method has an excellent thixotropic property and can cure at room temperature by contact with moisture in air.