C08G18/423

SUSTAINABLE REACTIVE HOT MELT ADHESIVE COMPOSITIONS
20230151248 · 2023-05-18 ·

The invention features a reactive hot melt adhesive composition comprising the reaction product of from 5% by weight to 40% by weight of a first polyester polyol comprising the reaction product of a dicarboxylic acid monomer, a tetra alkyl cyclobutane diol and optionally one or more additional monomers, from 10% by weight to 80% by weight of a sustainable polyol, and a diisocyanate.

Water-based polyurethane resin and manufacturing method thereof

A water-based polyurethane resin and a method for manufacturing the same are provided. The method for manufacturing the water-based polyurethane includes: a preparation step of a prepolymer, a dilution step of the prepolymer, a water dispersion and chain extension step, and an acrylic synthesis step. The method further includes mixing polyol and polyisocyanate to obtain a prepolymer, and diluting the prepolymer by adding acrylic monomer in the prepolymer. In the water-based polyurethane resin, at least one of the polyhydric alcohol, polyisocyanate, and the acrylic monomer includes a compound with a cyclic structure.

POLYOL AND FOAM MADE THEREFROM
20230139422 · 2023-05-04 ·

Embodiments relate to a liquid aromatic polyester polyol composition for preparing a polyurethane foam product including at least one polyalicyclic structure, wherein the aromatic polyester polyol composition is a clear liquid at room temperature, the viscosity of the aromatic polyester polyol composition, at room temperature and at a shear rate of 10 sec-1, is no greater than 100 Pa-s; and the OH number of the aromatic polyester polyol composition is in the range of from 100 mg KOH/g to 500 mg KOH/g; and a process for preparing the above liquid aromatic polyester polyol composition; an isocyanate-reactive composition and a foam-forming composition comprising the liquid aromatic polyester polyol.

DEGRADABLE BIO-BASED POLYMERS

Disclosed herein are bio-based polymers, methods to prepare the same, bio-based polymer products, methods to degrade the same, and methods to recycle the same.

Polyester-carbamate polymer and coating compositions thereof

A polyester-carbamate polymer and coating compositions containing the polymer are provided. The polyester-carbamate polymer preferably includes a polyester-carbamate backbone and one or more blocked isocyanate groups. A coating composition is provided that preferably includes the polyester-carbamate polymer and a thermoplastic dispersion. In a preferred embodiment, the coating composition is an organosol.

ADHESIVE COMPOSITIONS WITH POLYESTERS COMPRISING 2,2,4,4-TETRAALKYL-1,3-CYCLOBUTANEDIOL AND METHODS OF MAKING THE SAME

Adhesive compositions comprise a polyester polyol that includes residues of at least one 2, 2, 4, 4-tetraalkylcyclobutane-1, 3-diol, including, for example, 2, 2, 4, 4-tetramethylcyclobutane-1, 3-diol (TMCD). Adhesive compositions as described herein exhibit enhanced properties as compared to conventional adhesive compositions, and may be suitable for a wide variety of end use applications, including, flexible packaging, woodworking, automotive uses, and electronics.

CURABLE POLYESTER POLYOLS AND THEIR USE IN THERMOSETTING SOFT FEEL COATING FORMULATIONS
20170275492 · 2017-09-28 · ·

A soft feel curable polyester composition comprising the residues of a 2,2,4,4-tetraalkylcyclobutane-1,3-diol, a C.sub.2-C.sub.20 diol other than 2,2,4,4-tetraalkylcyclobutane-1,3-diol, a C.sub.2-C.sub.20 polyol, an alicyclic diacid and an acyclic aliphatic diacid, wherein said curable polyester contains at least 90 mole percent of aliphatic diacid residues, based on the total moles of diacid residues, and wherein said curable polyester has a hydroxyl number of about 100 to about 250 mgKOH/g, an acid number of 0 to about 30 mgKOH/g, and a number average molecular weight of about 500 to about 10,000 g/mole, a soft segment polyol, an isocyanate crosslinker and a solvent or a solvent mixture.

POLYROTAXANE COMPRISING LONG-CHAIN ALKYL GROUP IN CYCLIC MOLECULE, COMPOSITION COMPRISING SAID POLYROTAXANE, AND METHOD FOR PRODUCING SAID POLYROTAXANE
20220235182 · 2022-07-28 · ·

The present invention provides a polyrotaxane of high compatibility with silicones, such as silicone oil, a highly insulative polyrotaxane, and/or a material comprising said polyrotaxane. The present invention provides a polyrotaxane obtained by disposing blocking groups at both ends of a pseudopolyrotaxane, in which the opening in a cyclic molecule is clathrated in a skewered manner by a straight-chain molecule, so that the cyclic molecule does not escape, wherein the cyclic molecule comprises a first group represented by formula I (in formula I, X is a single bond or NH; n is 0 or 1; R is a straight-chain, branched, or cyclic alkyl group, alkenyl group, or alkynyl group comprising 12-20 carbon atoms, with some of the hydrogen in the alkyl group, alkenyl group, or alkynyl group being optionally substituted by an OH group, a CN group, or an NH.sub.2 group; and * is the position of the bond to the cyclic molecule).

##STR00001##

POLYROTAXANE COMPRISING LONG-CHAIN ALKYL GROUP IN CYCLIC MOLECULE, COMPOSITION COMPRISING SAID POLYROTAXANE, AND METHOD FOR PRODUCING SAID POLYROTAXANE
20220235182 · 2022-07-28 · ·

The present invention provides a polyrotaxane of high compatibility with silicones, such as silicone oil, a highly insulative polyrotaxane, and/or a material comprising said polyrotaxane. The present invention provides a polyrotaxane obtained by disposing blocking groups at both ends of a pseudopolyrotaxane, in which the opening in a cyclic molecule is clathrated in a skewered manner by a straight-chain molecule, so that the cyclic molecule does not escape, wherein the cyclic molecule comprises a first group represented by formula I (in formula I, X is a single bond or NH; n is 0 or 1; R is a straight-chain, branched, or cyclic alkyl group, alkenyl group, or alkynyl group comprising 12-20 carbon atoms, with some of the hydrogen in the alkyl group, alkenyl group, or alkynyl group being optionally substituted by an OH group, a CN group, or an NH.sub.2 group; and * is the position of the bond to the cyclic molecule).

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POLYESTER RESIN COMPOSITION, POLYESTER-BASED INJECTION-MOLDED ARTICLE, POLYESTER-BASED EXTRUDED ARTICLE, POLYESTER-BASED FOAM, POLYESTER-BASED CONTAINER, POLYESTER-BASED BOTTLE, POLYESTER-BASED TABLEWARE, AND POLYESTER-BASED NURSING BOTTLE

The present application relates to a polyester resin composition that includes a polyester resin having a predetermined composition and a polycarbodiimide in a predetermined amount that exhibits heat resistance, transparency and impact resistance and prevents embrittlement after heat treatment. The present application also relates to a polyester-based injection-molded article, a polyester-based extruded article, a polyester-based foam, a polyester-based container, a polyester-based bottle, a polyester-based tableware, and a polyester-based nursing bottle.