Two-component solventless polyurethane adhesive compositions are disclosed comprising an isocyanate component comprising an isocyanate blend, and a polyol component comprising an amine-initiated polyol comprising two or more primary hydroxyl groups and a backbone incorporating tertiary amines, wherein the amine-initiated polyol comprises a functionality of from 2 to 12, hydroxyl number of from 5 to 1,830, and a viscosity at 40 C. of from 500 to 20,000 mPa-s, and a silicone-based additive (e.g., an anti-foaming agent and/or a wetting agent). The adhesive compositions are formulated such that the isocyanate and polyol components can be applied to separate substrates prior to mixing. Laminate structures comprising the disclosed adhesive compositions and further comprising a polymeric barrier substrate are also disclosed.

Two-component solventless polyurethane adhesive compositions are disclosed comprising an isocyanate component comprising an isocyanate blend, and a polyol component comprising an amine-initiated polyol comprising two or more primary hydroxyl groups and a backbone incorporating tertiary amines, wherein the amine-initiated polyol comprises a functionality of from 2 to 12, hydroxyl number of from 5 to 1,830, and a viscosity at 40 C. of from 500 to 20,000 mPa-s, and a silicone-based additive (e.g., an anti-foaming agent and/or a wetting agent). The adhesive compositions are formulated such that the isocyanate and polyol components can be applied to separate substrates prior to mixing. Laminate structures comprising the disclosed adhesive compositions and further comprising a polymeric barrier substrate are also disclosed.

A method of making a silicone gel adhesive is described comprising providing an acrylic polymer, the acrylic polymer comprising at least 50 wt.-% of polymerized units of C1-C32 (meth)acrylate ester monomer; providing at least one non-functional polydiorganosiloxane, hydroxy-functional polydiorganosiloxane, or a mixture thereof; combining the acrylic polymer and polydiorganosiloxane into a mixture; coating the mixture onto a substrate, and subjecting the mixture to radiation thereby crosslinking the mixture. Also described is a silicone gel adhesive comprising a crosslinked material at least one non-functional polydiorganosiloxane, hydroxy-functional polydiorganosiloxane, or a mixture thereof; and an acrylic polymer comprising at least 50 wt.-% of polymerized units of alkyl (meth)acrylate monomers and a gel content of at least 20 wt.-%. Also described is a medical article or intermediate thereof, comprising a layer of the silicone gel adhesive described herein adhered to a substrate; and methods of adhering a medical article.

Disclosed is a moisture curable silane modified terpolymer comprising a polyether segment, a segment of polytetrahydrofuran or polycarbonate, a polysiloxane segment and terminal amino silane groups joined to the terpolymer via urethane linkages and wherein the polyether segment comprises at least 70% by weight based on the total weight of the silane modified terpolymer. Also disclosed is a method of forming moisture curable silane modified terpolymer.

Disclosed is a moisture curable silane modified terpolymer comprising a polyether segment, a segment of polytetrahydrofuran or polycarbonate, a polysiloxane segment and terminal amino silane groups joined to the terpolymer via urethane linkages and wherein the polyether segment comprises at least 70% by weight based on the total weight of the silane modified terpolymer. Also disclosed is a method of forming moisture curable silane modified terpolymer.

A transparent curable composition includes 100 parts by weight of a polyoxyalkylene-based polymer (A); and 0.1 to 20 parts by weight of a weathering stabilizer (B). The polyoxyalkylene-based polymer (A) has a reactive silicon group that can be crosslinked by forming a siloxane bond, and the weathering stabilizer (B) is a hindered-amine-based photostabilizer (B1).

A transparent curable composition includes 100 parts by weight of a polyoxyalkylene-based polymer (A); and 0.1 to 20 parts by weight of a weathering stabilizer (B). The polyoxyalkylene-based polymer (A) has a reactive silicon group that can be crosslinked by forming a siloxane bond, and the weathering stabilizer (B) is a hindered-amine-based photostabilizer (B1).

A sports muscle care tape includes: a substrate tape extending in a lengthwise direction; and an adhesive layer formed on a bottom surface of the substrate tape. The adhesive composition comprises germanium, a polymer represented by formula 1, sorbic acid, a cucumber extract, a pineapple extract, a Dendropanax morbifera Lev extract, 1,3-butylene glycol, tourmaline, zeolite, a photocatalyst, and activated carbon. The sports muscle care tape may perform the basic functions of a sports tape and, at the same time, effectively protect an affected part by absorbing external impact. In addition, the sports muscle care tape may promote blood circulation and metabolism, has antibacterial activity, may deodorize the sweat, odor and the like generated in taped skin, and thus can be hygienically used.

Provided a wave-absorbing impregnation glue liquid, including: two-component epoxy resin, a solvent, a polyether siloxane, and a carbon powder; wherein a mass ratio of the two-component epoxy resin to the solvent is 1:31:5, a mass ratio of the two-component epoxy resin to the carbon powder is 3:16:1, and a mass fraction of the polyether siloxane in the wave-absorbing impregnation glue liquid is 0.05%0.2%. A wave-absorbing impregnation glue liquid, a wave-absorbing honeycomb and their preparation methods are further provided.

Disclosed is a curable silicone composition. The composition comprises: (A) an organopolysiloxane having at least two alkenyl groups and at least one aryl group in each molecule; (B) a polyoxyalkylene compound represented by the general formula: XO(C.sub.2H.sub.4O).sub.p(C.sub.nH.sub.2nO).sub.q(YO).sub.rX, wherein, each X represents a hydrogen atom, an alkyl group, an alkenyl group, an aryl group, an acryl group, or a methacryl group, provided that at least one X in each molecule is the alkenyl group, the acryl group, or the methacryl group, Y represents a divalent hydrocarbon group, n represents an integer of 3 to 6, p and q are integers satisfying: 2p100 and 0q50, and r represents 0 or 1; (C) an organopolysiloxane having at least two silicon bonded hydrogen atoms in each molecule; and (D) a catalyst for a hydrosilylation reaction. The composition forms a cured product having improved properties.