C08G18/6283

Elastomer, method for preparation thereof, and use thereof

Disclosed is a segmented thermoplastic elastomer that can be a polyurethane, polyurea, or polyurethane-urea comprising soft segments and hard segments, wherein the soft segments are made of polyolefin diols or polyolefin diamine that may have 0 to 1000 carbon atoms in the main chain, wherein each carbon atom in the main chain may have 0 to 2 side chains and each side chain may have 0 to 30 carbon atoms, the hard segment is made of a diisocyante and a chain extender, the hard segments make up 10-60% of the elastomer and the soft segments make up the rest, the number-average molecular weight of the elastomer is 5×10.sup.3-1000×10.sup.3 g/mol, the ultimate elongation of the elastomer is 100-1000%, the Young's modulus is 1 to 3,000 MPa, and the ultimate tensile strength is 10-100 MPa. Also disclosed are a method for preparing the segmented thermoplastic elastomer and use of segmented thermoplastic elastomer.

Flexible polyurethane foams
11306176 · 2022-04-19 · ·

This invention relates to a process for preparing a flexible polyurethane foam in which the isocyanate-reactive component comprises a specific isocyanate-reactive component. The invention also relates to flexible polyurethane foam wherein the isocyanate-reactive comprises the specific isocyanate-reactive component.

Fluorine-free fibrous treating compositions including a polycarbodiimide and an optional paraffin wax, and treating methods

A fluorine-free composition includes at least one polycarbodiimide compound derived from a carbodiimidization reaction of a carbodiimidization reaction mixture comprising at least one oligomer, wherein the oligomer comprises at least one isocyanate end group and at least two repeating units, wherein each of the at least two repeating units comprises at least one hydrocarbon group having at least 16 carbon atoms. The composition may also include at least one paraffin wax. Such compositions are useful for treating fibrous substrates to enhance their water-repellency.

PRESSURE-SENSITIVE ADHESIVE SHEET AND USE THEREOF
20220275254 · 2022-09-01 ·

Provided is a PSA sheet having a PSA layer. The PSA layer has a multilayer structure comprising a layer A forming one face of the PSA layer and a layer B placed on the backside of the layer A. The layer B is a photo-crosslinkable PSA layer comprising a photo-crosslinkable polymer.

ADHESIVE COMPOSITION AND DISPLAY APPARATUS INCLUDING THE SAME
20220315815 · 2022-10-06 ·

A display apparatus includes a display panel, a cover window above the display panel, and an adhesive layer between the display panel and the cover window. The adhesive layer includes: (meth)acrylate having an alicyclic group, (meth)acrylate having a glass transition temperature of about 40° C. or less, cross-linkable (meth)acrylate, and a thermal curing agent including an isocyanate-based compound. The adhesive composition has a first elastic modulus at a first temperature and a second elastic modulus at a second temperature greater than the first temperature, and the second elastic modulus is equal to or greater than the first elastic modulus.

SELECTIVE ANTI-TARNISH COATING
20220081573 · 2022-03-17 ·

An anti-tarnish composition including a polymer resin; a photoinitiator; a coating thickness adjusting agent; and optionally a dye useful for protecting metal substrates from tarnishing and methods of applying the anti-tarnish composition to metal substrates using an electroplating method. The anti-tarnish composition can be selectively applied to the metal surfaces of jewelry containing gemstones.

Fluorine-free fibrous treating compositions including a polycarbodiimide and an optional paraffin wax, and treating methods

A fluorine-free composition includes at least one polycarbodiimide compound derived from a carbodiimidization reaction of a carbodiimidization reaction mixture comprising at least one oligomer, wherein the oligomer comprises at least one isocyanate end group and at least two repeating units, wherein each of the at least two repeating units comprises at least one hydrocarbon group having at least 16 carbon atoms. The composition may also include at least one paraffin wax. Such compositions are useful for treating fibrous substrates to enhance their water-repellency.

ACRYLIC RESIN, PRODUCING METHOD THEREOF, RESIN COMPOSITION SET, HEAT STORAGE MATERIAL, AND ARTICLE

An aspect according to the present invention provides an acrylic resin including a first structural unit represented by formula (1) and a second structural unit represented by formula (2):

##STR00001##

[in the formula (1), R.sup.1 represents a hydrogen atom or a methyl group, and R.sup.2 represents an alkyl group having 12-30 carbon atoms]

##STR00002##

[in the formula (2), R.sup.3 and R.sup.5 each independently represent a hydrogen atom or a methyl group, and R.sup.4 represents a divalent organic group].

Flame-resistant polymer polyol dispersion

The invention relates to a process for preparing a flame-resistant polymer-modified polyol having a solids content of 1 to 65 wt. % wherein (i) at least one polyisocyanate and (ii) an olamine are reacted in (iii) a base polyol having at least two active hydrogen containing groups of which more than 50% are primary active hydrogen containing groups and wherein the olamine has at least one phosphonic ester group attached to a tertiary nitrogen atom and contains at least two hydroxyl groups. The invention further relates to a flame-resistant polymer-modified polyol obtainable with the process of the invention, to a process for preparing optionally foamed plastics using the polymer-modified polyol of the invention, and to the use of a polymer-modified polyol for the preparation of flexible polyurethane foams.

LIQUID COATINGS INCLUDING EXPANDABLE GRAPHITE
20210189094 · 2021-06-24 ·

A method of preparing a seamless membrane over a flat or low-sloped roof, the method comprising applying multiple layers of a liquid coating composition over a roof surface, where said step of applying includes applying at least one layer of a liquid coating composition that includes expandable graphite.