公开(公告)号：US11453741B2

公开(公告)日：2022-09-27

申请号：US16514068

申请日：2019-07-17

申请人： SHIN-ETSU CHEMICAL CO., LTD.

发明人： Jun Hatakeyama ,  Motoaki Iwabuchi ,  Joe Ikeda ,  Shiori Nonaka ,  Koji Hasegawa

IPC分类号： C14C11/00 ,  C08G18/32 ,  C08L75/16 ,  C08J5/18 ,  A61B5/25

摘要： The present invention is a stretchable film of a cured product of a resin including: a polymer compound having a urethane bond in the main chain, a repeating unit containing a fluorine atom, and a repeating unit containing a silicon atom. The present invention provides a stretchable film that has excellent stretchability and strength, with the film surface having excellent water repellency, and a method for forming the same.

公开(公告)号：US11377529B2

公开(公告)日：2022-07-05

申请号：US16672915

申请日：2019-11-04

申请人： SHIN-ETSU CHEMICAL CO., LTD.

发明人： Jun Hatakeyama ,  Motoaki Iwabuchi ,  Joe Ikeda

IPC分类号： C08J5/18 ,  C08F283/00 ,  C08J3/28 ,  B29C71/02 ,  H01B3/30 ,  H01B3/44 ,  H01B3/46 ,  H01B7/04

摘要： The present invention is a composite stretchable film including: a surface film which is a cured product of a polyurethane 1 containing a copolymer of one or more of units “a1” to “a4” and silicone-pendant type urethane units “b1” and/or “b2” represented by the following general formula (1); and an inner film which is a cured product of a polyurethane 2 containing a unit “c” having polyether and urethane bonds represented by the following general formula (2), on which the surface film is laminated. The present invention provides a stretchable film that has excellent stretchability and strength, with the film surface having excellent water repellency, and a method for forming the same.

公开(公告)号：US11261285B2

公开(公告)日：2022-03-01

申请号：US16568388

申请日：2019-09-12

申请人： SHIN-ETSU CHEMICAL CO., LTD.

发明人： Jun Hatakeyama ,  Motoaki Iwabuchi ,  Koji Hasegawa ,  Shiori Nonaka ,  Joe Ikeda

IPC分类号： C08G18/38 ,  C08G18/24 ,  C08G18/40 ,  C08G18/44 ,  C08G18/48 ,  C08G18/66 ,  C08G18/75 ,  C08J5/18

摘要： A stretchable film includes, in a stacked form: a polyurethane film containing a repeating unit having a fluorine atom; and a polyurethane film containing a repeating unit having a silicon atom. At least one surface of the stretchable film is made of the polyurethane film containing a repeating unit having a fluorine atom. Thus, provided are: a stretchable film having excellent stretchability and strength, with the film surface having excellent water repellency; and a method for forming the stretchable film.