C08G18/8116

FLUORO ACRYLATE AND METHODS MAKING AND USING THE SAME
20210147593 · 2021-05-20 ·

A number of variations may include a method including modifying fluorocopolymer polyols, diols, and related copolymers to make polymerizable materials through polymerizable unsaturation. A number of variations may include products, for example but not limited to coatings, films or painting including modifying fluorocopolymer polyols, diols, and related copolymers.

FLUORO ACRYLATE AND METHODS MAKING AND USING THE SAME
20210147593 · 2021-05-20 ·

A number of variations may include a method including modifying fluorocopolymer polyols, diols, and related copolymers to make polymerizable materials through polymerizable unsaturation. A number of variations may include products, for example but not limited to coatings, films or painting including modifying fluorocopolymer polyols, diols, and related copolymers.

ACRYLATED UVA AND METHOD OF MAKING THE SAME
20210147369 · 2021-05-20 ·

A UV absorber-comprising urethane acrylate of formula (I) and a HALS-comprising urethane acrylate of formula (I):

##STR00001##

wherein, UVA is a UV absorber molecule that has a hydroxyl or an amine group reactive with isocyanate, HALS is a HALS molecule that has a hydroxyl or an amine group reactive with isocyanate, and Acr is an acrylate or methacrylate group attached through a linker selected from the group 2-isocyanatoethyl acrylate, 2-isocyanatoethyl methacrylate, and 1,1-Bis(acryloxymethyl)ethyl isocyanate. The UV absorber-comprising urethane exhibits a UV absorption maximum between 300 and 360 nanometers.

Heat conformable curable adhesive films

Optically clear curable adhesive films that are heat conformable prior to setting include a reactive composition. The curable films are flexible and free-standing, and have a complex viscosity of greater than 100,000 poise (10,000 Pascal seconds) at 25° C. and less than 100 poise (10 Pascal seconds) at 85° C., prior to setting. The set film has an adhesive shear strength of greater than 100 Newtons per square centimeter (N/cm.sup.2) to a glass substrate when measured according to the Shear Adhesion Test Method. The reactive composition includes an ethylenically unsaturated polyester-containing oligomeric composition that is the reaction product of a saturated, amorphous co-polyester polyol and a compound with a terminal polyol-reactive group and a terminal ethylenically unsaturated group, a (meth)acrylate functional material, and at least one initiator.

Polyacrylate-polysilane block copolymers

The invention relates a polyacrylate-polysilane block copolymer of general structure (I): wherein m and n independent of one another, are integers ranging from 2 to 4000; p is an integer ranging from 0 to 5; q is an integer ranging from 1 to 5; R.sup.1 represents hydrogen, straight-chain or branched alkyl group having 1 to 4 carbon atoms; R.sup.2 represents hydrogen, straight-chain or branched alkyl group having 1 to 18 carbon atoms; R3 represents hydrogen, hydroxyl group, straight-chain or branched alkyl group having 1 to 4 carbon atoms, or an C.sub.6-C.sub.14 aryl group; L is a linking moiety representing amine (—NH—) group, amide (—C(O)NH—) group, urea (—NHC(O)NH—) group, urethane (—OC(O)NH—) group or methylene (—CH.sub.2—) group; R.sup.4, R.sup.5 and R.sup.6 independent of one another, represents hydrogen, straight-chain or branched, alkyl group having 1 to 8 carbon atoms or polydimethylsiloxane group; and R.sup.7 represents hydrogen or methyl group. ##STR00001##

LAMINATED FILM
20210138769 · 2021-05-13 · ·

A laminated film preferable as a PPF material. The laminated film is formed, in which a coating layer formed of a cured material of a photopolymerizable coating liquid, a base material layer formed of thermoplastic polyurethane, and an adhesive layer formed of a pressure sensitive adhesive are formed in contact with each other in the order, the photopolymerizable coating liquid is composed of component (a): urethane acrylate and component (b): photopolymerizable acrylic compounds having no urethane unit and containing a fluorine atom, and component (a) and component (b) are mixed at a proportion of (a): 20% by weight or more and less than 50% by weight and (b): 50% by weight or more and less than 80% by weight, based on 100 parts by weight of the photopolymerizable coating liquid.

Control of polymer network structures via nanogels

A method of increasing a polymerization reaction rate of a base monomer composition that has slow free-radical polymerization kinetics. The method comprises combining an effective amount of a nanogel to the base monomer composition to form a monomer-nanogel mixture having a polymerization reaction rate that is greater than the polymerization reaction rate of the base monomer composition when subjected to an identical free-radical polymerization reaction conducted under identical conditions. The base monomer composition comprises one or more slow-kinetic monomers with slow free radical polymerization kinetics in which <25% of the double bonds are converted within the first 10 mintes of said reaction. The nanogel is soluble in the base monomer composition. The nanogel is derived from a nanogel-forming monomer mixture that comprises: at least one monovinyl monomer; at least one divinyl monomer; a chain transfer agent; and an initiator.

PREFORMED STABILIZERS WITH IMPROVED STABILITY
20210108015 · 2021-04-15 ·

This invention relates to novel preformed stabilizers in which a portion of the polymer control agent is recovered and comprises from 10 to 1500 ppm of an inhibitor. This invention also relates to a process for preparing these preformed stabilizers, and to polymer polyols comprising these novel preformed stabilizers macromers and to a process for preparing polymer polyols comprising these novel preformed stabilizers. The present invention also relates to polyurethane foams comprising these polymer polyols, and to processes for preparing these polyurethane foams.

PRIMARY COATING COMPOSITIONS WITH IMPROVED MICROBENDING PERFORMANCE
20210103092 · 2021-04-08 ·

Curable compositions that include an oligomer with one or more internal urethane linkages and OH groups capped by an Acrylate-End-Capping (AEC) compound. The curable compositions may be made by reacting a polyol with a diisocyanate compound to form a pre-oligomer compound having one or more internal urethane linkages and terminal OH groups. The curable coating compositions may be cured to form a coating for an optical fiber, for example, a primary coating for an optical fiber.

Adhesive Tape for Semiconductor Processing, and Semiconductor Device Manufacturing Method
20210043492 · 2021-02-11 · ·

A pressure sensitive adhesive tape for semiconductor processing includes a base having a Young's modulus of 1000 MPa or more at 23 C., and a pressure sensitive adhesive layer provided on at least one surface of the base, and the product (N)(C) of (N) and (C) is 500 or more at 30 C., and 9000 or less at 60 C., where (N) [m] is a thickness of the pressure sensitive adhesive layer and (C) [m] is a creep amount.