公开(公告)号：US20250059331A1

公开(公告)日：2025-02-20

申请号：US18722516

申请日：2022-12-15

Applicant: DOW TORAY CO., LTD.

Inventor： Son Thanh PHAN ,  Seiki TAMURA ,  Hiroyuki INAGAKI

IPC: C08G77/46 ,  C07C41/46 ,  C08G18/82

Abstract: Provided is a method to reduce allyl group-containing impurities in an oxypropylene group-containing glycol ether using a relatively easy and simple industrial facility and reaction process, to enable the hydrosilylation reaction products and oxypropylene group-containing glycol ether to be easily separated by distillation, or the like, to prevent the oxypropylene group-containing glycol ether from adversely affecting the polymerization reaction when used as a reaction solvent or diluent for polyether-polysiloxane block copolymers, and to easily produce the oxypropylene group-containing glycol ether at low cost. A method for producing oxypropylene group-containing glycol ethers, comprises a step of inducing a hydrosilylation reaction of an allyl group-containing impurity included in an oxypropylene group-containing glycol ether and a silicon atom-bonded hydrogen atom (Si—H)-containing compound. Optionally, an additional purification step is utilized for separating the oxypropylene group-containing glycol ether by distillation or the like.

公开(公告)号：US12227667B2

公开(公告)日：2025-02-18

申请号：US17764685

申请日：2020-09-17

Applicant: SHIN-ETSU CHEMICAL CO., LTD.

Inventor： Yasunori Sakano ,  Tomoyuki Asahi

IPC: C09D171/00 ,  C08G65/00 ,  C08G65/336 ,  C08G77/46 ,  C09D133/06 ,  C09D163/00 ,  C09D175/04 ,  C08G77/18 ,  C08G77/24

Abstract: This fluorine-containing curable composition comprises a curable component (A) that provides a cured product under the effect of heat or moisture, and a surface-modifying component (B) that contains a perfluoropolyether compound (b1) having a prescribed structure. The perfluoropolyether compound (b1) in the surface-modifying component (B) is present at 0.005-50 mass parts per 100 mass parts of the curable component (A) excluding volatile components. The fluorine-containing curable composition can be cured by heat or moisture, can be coated on the surface of an article even not containing a fluorine-containing solvent, and can provide the cured product surface with excellent surface characteristics.

公开(公告)号：US12227611B2

公开(公告)日：2025-02-18

申请号：US17760980

申请日：2020-09-11

Applicant: DAICEL CORPORATION

Inventor： Takashi Konno ,  Naritoshi Maetsu ,  Jun Watanabe ,  Shintarou Hatanaka

IPC: C08G18/46 ,  C08G18/38 ,  C08G18/42 ,  C08G18/44 ,  C08G18/61 ,  C08G18/79 ,  C08G77/46 ,  C08J7/04 ,  C08L75/06 ,  C08L85/04 ,  C09D7/20 ,  C09D7/65 ,  C09D175/06

Abstract: Provided is a composition capable of forming a cured product having excellent adhesion to a substrate, hardness, scratch resistance, and chemical resistance. The composition of the present disclosure includes a polyol compound (A) and an isocyanate compound (B), the polyol compound (A) containing a compound (a1) having a number average molecular weight calibrated with polystyrene standards of less than 800 and being represented by Formula (1), where R1 to R3 are a group represented by Formula (1a); and the isocyanate compound (B) containing a compound (b) represented by Formula (2), where L1 to L3 are a hydrogen atom, an NCO group, or an alkyl group having from 1 to 10 carbon atom(s) and having a group represented by Formula (2′).

公开(公告)号：US20240425649A1

公开(公告)日：2024-12-26

申请号：US18734609

申请日：2024-06-05

Applicant: Guangzhou Panyu Polytechnic ,  Longway Technology (Guangzhou) Co., Ltd.

Inventor： Mengyi XU ,  Rujing ZHENG ,  Peng ZHENG

IPC: C08G77/26 ,  A61K8/898 ,  A61Q5/00 ,  A61Q5/02 ,  C08G77/08 ,  C08G77/46

Abstract: The present invention discloses a silicon polymer, a preparation method therefor and use thereof. The silicon polymer of the present invention has a structural formula shown as formula (I): wherein 25≤a≤100, 0≤b≤8; the formula (I) comprises a structure of  and the structure of  is derived from  wherein the  has a molecular weight of 1700-4400. The silicon polymer of the present invention can not only improve the affinity to hair, but also enhance the softness of hair, repair hair cuticle, make the surface of hair smoother, and weaken the hydrogen bonding force between polypeptide chains in hair.

公开(公告)号：US12163043B2

公开(公告)日：2024-12-10

申请号：US17338176

申请日：2021-06-03

Applicant: Henkel AG & Co. KGaA

Inventor： Andrea Gutacker ,  Johann Klein ,  Annika Dietrich ,  Esteban Mejia ,  Therese Hemery

IPC: C09D171/02 ,  C08G65/04 ,  C08G65/336 ,  C08G77/08 ,  C08G77/18 ,  C08G77/26 ,  C08G77/46 ,  C09D183/12 ,  C09J171/02 ,  C09J183/12

Abstract: The invention relates to a curable composition comprising: a) at least one polymer having at least one silicon-containing group of formula —Si(R1)k(Y)3-k as defined herein, and b) at least one hydroxyl-functionalized polysiloxane polyalkyleneglycol brush copolymer of the structure [A(-X—B)]s as defined herein; and an adhesive, sealant, or coating material comprising said curable composition and use thereof.

公开(公告)号：US12129331B2

公开(公告)日：2024-10-29

申请号：US17364033

申请日：2021-06-30

Applicant: Foldax, Inc.

Inventor： Pathiraja A. Gunatillake ,  Mark Bown ,  Raju Adhikari

IPC: C08G18/61 ,  A61F2/24 ,  A61L27/18 ,  C08G18/48 ,  C08G18/76 ,  C08G77/458 ,  C08G77/46 ,  C08G81/02 ,  C08L83/12

CPC classification number: C08G18/61 ,  A61F2/2409 ,  A61L27/18 ,  C08G18/7671 ,  C08G77/458 ,  C08G77/46 ,  C08G81/025 ,  C08G81/027 ,  C08L83/12 ,  A61F2210/0071 ,  A61F2240/00 ,  A61L2430/20 ,  C08L2203/02 ,  C08L2207/04 ,  A61L27/18 ,  C08L75/04 ,  C08G18/10 ,  C08G18/48 ,  C08G18/61

Abstract: The present disclosure provides soft block copolymer segments of Formula 1 for thermoplastic polyurethane or polyurethaneurea elastomer materials and their reaction products with divalent compounds, such as diisocyanates, chain extenders and optional additional polyols or polyamines. Also disclosed herein are methods for the production of the soft block copolymer segments, and possible applications of these materials in the formation of biomaterials for articles including medical devices such as implants, heart valves and drug delivery devices.

公开(公告)号：US20240279402A1

公开(公告)日：2024-08-22

申请号：US18567496

申请日：2021-06-07

Applicant: WACKER CHEMIE AG

Inventor： Frank SANDMEYER

IPC: C08G77/46 ,  C08G65/48 ,  H05K1/03

CPC classification number: C08G77/46 ,  C08G65/485 ,  H05K1/0366

Abstract: A process for producing compositions includes selecting compounds from hydroxy-terminated homopolymeric or copolymeric polyphenylene ethers and phenols and reacting such compounds with chlorosilane of formula (I), R1aR2bSiCl4−a−b (I), alone or in admixture with disiloxane of formula (IV), [R1(3−b)R2bSi]2O (IV), in the presence of water and solvent.

公开(公告)号：US20240270910A1

公开(公告)日：2024-08-15

申请号：US18566504

申请日：2022-05-31

Applicant: DOW TORAY CO., LTD.

Inventor： Seiki TAMURA ,  Son Thanh PHAN ,  Hiroyuki INAGAKI

IPC: C08G77/46 ,  C08J9/00 ,  C08K5/098 ,  C08L75/08

CPC classification number: C08G77/46 ,  C08J9/0023 ,  C08J9/0061 ,  C08K5/098 ,  C08L75/08 ,  C08J2201/022 ,  C08J2375/08 ,  C08J2483/12 ,  C08L2203/14

Abstract: Provided is a composition or foam stabilizer which has sufficient quality and foam stability even when an inexpensive glycol ether compound is used as a raw material, and that has excellent foam-enhancing performance. The composition contains a specific polyether-polysiloxane block copolymer (A′) and a specific glycol ether compound (B′) at a mass ratio of (A′):(B′)=(20 to 60):(80 to 40) (wherein the total amount of (A′) and (B′) is 100. The composition further contains (K) a specific monovalent potassium salt in the range of 3 to 300 wt. ppm calculated as potassium atoms. A method for manufacturing the composition is also provided.

公开(公告)号：US12024658B2

公开(公告)日：2024-07-02

申请号：US17251404

申请日：2018-06-12

Applicant: DOW SILICONES CORPORATION ,  ROHM AND HAAS COMPANY

Inventor： Ruihua Lu ,  Li Ding ,  Zhaohui Qu ,  Yan Zhou ,  Zhihua Liu ,  Bochi Xu ,  Rongrong Fan

IPC: C09J7/38 ,  C08G77/16 ,  C08G77/46 ,  C08K5/544 ,  C09J133/08 ,  C09J183/06

CPC classification number: C09J7/385 ,  C08G77/16 ,  C08G77/46 ,  C08K5/544 ,  C09J133/08 ,  C09J183/06 ,  C09J2301/302 ,  C09J2433/00 ,  C09J2483/00

Abstract: Provided herein is a water-based hybrid pressure sensitive adhesive composition and a method of producing the same. The composition comprises: (A) 100 parts by mass of a silicone pressure sensitive adhesive; (B) 5 to 80 parts by mass of an acrylic pressure sensitive adhesive; (C) water in a sufficient amount to emulsify or disperse components (A) and (B) in component (C); and (D) 0.1 to 10 parts by mass of an amino-functional alkoxysilane compound, a hydrolysate thereof, or a hydrolyzed condensate thereof. Components (A) and (B) are emulsified or dispersed in component (C). The composition can be cured to form a pressure sensitive adhesive exhibiting good peel adhesion and low silicone migration.

公开(公告)号：US12024597B2

公开(公告)日：2024-07-02

申请号：US18114570

申请日：2023-02-27

Applicant: Clearlab SG Pte Ltd.

Inventor： Jong Gu Park ,  Yeong Shenq Chow ,  John Christopher Phelan

IPC: C08G77/46 ,  A61L26/00 ,  C08F293/00 ,  C08L53/00 ,  G02B1/04

CPC classification number: C08G77/46 ,  A61L26/0019 ,  A61L26/0066 ,  A61L26/008 ,  C08F293/00 ,  C08L53/005 ,  G02B1/043 ,  A61L2300/404 ,  C08G2210/00 ,  C08L2201/10 ,  C08L2203/02

Abstract: Described herein are wound dressing comprising a silicone hydrogel composition and optionally an antimicrobial agent, and methods of making and use thereof. The silicone hydrogel compositions comprise an actinically-crosslinkable polysiloxane-polyglycerol block copolymer crosslinked with a crosslinker. The actinically-crosslinkable polysiloxane-polyglycerol block copolymer being derived from: a polysiloxane prepolymer comprising a polyglycerol side chain, the polyglycerol side chain comprising an ethylenically unsaturated group covalently linked thereto, wherein the ethylenically unsaturated group is actinically curable.