C08G18/3897

Degradable silyl-containing thermosetting networks

A process of: providing a polyfunctional compound selected from polyisocyanate, polyacrylate, and polyepoxy; and reacting the polyfunctional compound with a hydroxyl- or amine-terminated silyl-containing compound. The polyfunctional compound and the silyl-containing compound are at least difunctional. A thermoset made by this process.

ENVIRONMENTALLY-FRIENDLY FLEXIBLE CONDUCTIVE POLYURETHANE (PU) AND PREPARATION METHOD THEREOF

An environmentally-friendly flexible conductive polyurethane (PU) and a preparation method thereof are disclosed. The environmentally-friendly flexible conductive PU is prepared by subjecting a mixture of a component A and a component B in a specified mass ratio to in-situ solvent-free polymerization, where the component A is prepared from a polyol, a T-type chain extender, a diselenide diol, high-conductivity carbon black, a dispersing agent, a catalyst, and a leveling agent, and the component B is prepared from a polyisocyanate, a polyol, a multi-walled carbon nanotube (MWCNT), and a dispersing agent. The PU has a reliable electrically-conductive function, and shows a self-healing function under room temperature or light conditions when damaged, wherein a microphase separation value HBI (0.5 to 3.0) of soft and hard segment molecules can be adjusted to achieve different hand touches and different mechanical properties, and an organic pollutant emission (volatile organic compound (VOC)) is less than 50 mg/kg.

CHEMICALLY MODIFIED SHAPE MEMORY POLYMER EMBOLIC FOAMS WITH INCREASED X-RAY VISUALIZATION
20220403091 · 2022-12-22 ·

An embodiment includes a system comprising: an iodine containing thermoset open-cell shape memory polymer (SMP) foam that is x-ray visible; wherein (a) the SMP foam is configured to expand from a compressed secondary state to an expanded primary state in response to thermal stimulus, (b) the SMP foam is a poly(urethane-urea-amide). Other embodiments are described herein.

Chemically modified shape memory polymer embolic foams with increased X-ray visualization

An embodiment includes a system comprising: an iodine containing thermoset open-cell shape memory polymer (SMP) foam that is x-ray visible; wherein (a) the SMP foam is configured to expand from a compressed secondary state to an expanded primary state in response to thermal stimulus, (b) the SMP foam is a poly(urethane-urea-amide). Other embodiments are described herein.

Metal-bearing urethanized polymer soluble in a low-volatile organic compound solvent
10954333 · 2021-03-23 · ·

The present disclosure relates to polymer compounds for use as polymerization agents in coatings, paints or inks. In one embodiment, a polymer compound comprises a metal-bearing urethanized polymer having a metal content greater than 6% by weight, and a water solubility below 20 mg/l according to OECD 105, wherein the urethanized polymer is soluble in a low-volatile organic compound (low-VOC) solvent. Methods of producing and using such polymer compounds are also disclosed.

DEGRADABLE SILYL-CONTAINING THERMOSETTING NETWORKS

A process of: providing a polyfunctional compound selected from polyisocyanate, polyacrylate, and polyepoxy; and reacting the polyfunctional compound with a hydroxyl- or amine-terminated silyl-containing compound. The polyfunctional compound and the silyl-containing compound are at least difunctional. A thermoset made by this process.

CHEMICALLY MODIFIED SHAPE MEMORY POLYMER EMBOLIC FOAMS WITH INCREASED X-RAY VISUALIZATION
20200017625 · 2020-01-16 ·

An embodiment includes a system comprising: an iodine containing thermoset open-cell shape memory polymer (SMP) foam that is x-ray visible; wherein (a) the SMP foam is configured to expand from a compressed secondary state to an expanded primary state in response to thermal stimulus, (b) the SMP foam is a poly(urethane-urea-amide). Other embodiments are described herein.

Environmentally-friendly flexible conductive polyurethane (PU) and preparation method thereof

An environmentally-friendly flexible conductive polyurethane (PU) and a preparation method thereof are disclosed. The environmentally-friendly flexible conductive PU is prepared by subjecting a mixture of a component A and a component B in a specified mass ratio to in-situ solvent-free polymerization, where the component A is prepared from a polyol, a T-type chain extender, a diselenide diol, high-conductivity carbon black, a dispersing agent, a catalyst, and a leveling agent, and the component B is prepared from a polyisocyanate, a polyol, a multi-walled carbon nanotube (MWCNT), and a dispersing agent. The PU has a reliable electrically-conductive function, and shows a self-healing function under room temperature or light conditions when damaged, wherein a microphase separation value HBI (0.5 to 3.0) of soft and hard segment molecules can be adjusted to achieve different hand touches and different mechanical properties, and an organic pollutant emission (volatile organic compound (VOC)) is less than 50 mg/kg.

METAL-BEARING URETHANIZED POLYMER SOLUBLE IN A LOW-VOLATILE ORGANIC COMPOUND SOLVENT
20180327539 · 2018-11-15 · ·

The present disclosure relates to polymer compounds for use as polymerization agents in coatings, paints or inks. In one embodiment, a polymer compound comprises a metal-bearing urethanized polymer having a metal content greater than 6% by weight, and a water solubility below 20 mg/l according to OECD 105, wherein the urethanized polymer is soluble in a low-volatile organic compound (low-VOC) solvent. Methods of producing and using such polymer compounds are also disclosed.

Aqueous polyurethane dispsersions

Provided is an aqueous polyurethane dispersion comprising (a) dispersed particles of said polyurethane, wherein said polyurethane is the reaction product of polyurethane formation reactants comprising (i) one or more polyisocyanate, (ii) a polyol component comprising one or more polyol, and (iv) one or more organometallic compound having the structure ##STR00001##
wherein n is 0 or 1, t is 0 or 1, r is 0 or 1, p is 0 to 2, q is 0 to 13, at least one of p and q is not zero, M is a metal that is not silicon, X.sup.1 is NH.sub.2 or OH; and X2 is selected from the group consisting of SH, NH.sub.2, COOH, and ##STR00002##
and (b) one or more isocyanate crosslinker having two or more isocyanate groups per molecule.