C08G18/711

Softening composition
11753496 · 2023-09-12 · ·

The invention relates to the field involving the softening or lubricating of natural, synthetic or mixed textile fibres, as well as keratin fibres. The invention provides a softening composition, the rheology of which is controlled by means of a particular thickening agent. The invention also relates to the thickening agent, which is made from multiple isocyanate compounds.

Photocurable composition
11753497 · 2023-09-12 · ·

In one embodiment, a photocurable composition can comprise a polymerizable material and a photoinitiator, wherein the polymerizable material includes an isocyanate group containing compound of formula (1): R1-R2-N═C═O (1), with R1 including a carbon-carbon double bond, and R2 being substituted or unsubstituted alkyl, aryl, or alkylaryl. An amount of 1 wt % to 10 wt % of the isocyanate group containing compound can cause a strong adhesion strength of the photocurable composition to a silicon substrate after curing, and may allow the omission of an adhesion layer between substrate and the photo-cured layer.

Polymer suitable as a thickener

The invention relates to polymer comprising structural units according to formula (I), R.sup.1—X—(C═O)—NH—R.sup.2—NH—(C═O)—O—POA-R.sup.3—(O—POA-R.sup.4).sub.n wherein R.sup.1 represents an organic group terminated by a hydrocarbyl group having 6 to 50 carbon atoms, X represents O or N—R.sup.5, wherein R5 represents a hydrogen atom or a hydrocarbyl group having 1 to 30 carbon atoms, R.sup.2 represents an aliphatic hydrocarbyl group having 4 to 40 carbon atoms, POA represents a polyoxyalkylene group, R3 represents an organic group having 2 to 40 carbon atoms, n is an integer from 1 to 6, R.sup.4 is independently selected from —(C═O)—NH—R.sup.2—NH—(C═O)—X—R.sup.1, —(C═O)—NH—R.sup.1, —R.sup.6, wherein R.sup.6 represents a hydrogen atom or an aliphatic or aromatic group having 1 to 24 carbon atoms, and wherein the polymer has an average of at least 1.8 end groups R.sup.1 per molecule, a number average molecular weight in the range of 2000 to 100000 Daltons, a polydispersity in the range of 1.0 to 5.0, wherein the quotient of the polydispersity divided by (n+1) is less than 1.0, with the proviso that the polymer is not the reaction product of a) the mono-adduct of isophorone diisocyanate with 1-dodecanol and b) a polyether based on glycerol and a mixture of ethylene oxide and propylene oxide with an OH number of 18 mg KOH/g.

POLYAMIDE-IMIDE BLOCK COPOLYMERS, PREPARATION METHOD THEREOF AND POLYAMIDE-IMIDE FILM COMPRISING THE SAME

The polyamide-imide block copolymer according to the present invention makes it possible to provide a polyamide-imide film having excellent thermal stability and chemical resistance and, at the same time, having excellent mechanical properties.

COMPOUND, CURING AGENT COMPOSITION, RESIN COMPOSITION, COATING COMPOSITION AND RESIN CURED PRODUCT

A compound having an uretonimine group contains, as a structural unit, a carbodiimide compound derived from at least one of an aliphatic diisocyanate and an aromatic diisocyanate, and also contains an isocyanate compound as a structural unit, wherein the residue obtained by removing an isocyanate group from the isocyanate compound and the residue obtained by removing a carbodiimide group from the carbodiimide compound are different.

Synthesis of oligomer for optical fiber coating
11028214 · 2021-06-08 · ·

A method for making oligomers is described. The method includes reacting a polyol with a precursor having mixed functionality. The precursor includes a curable functional group and an isocyanate group capable of reacting with an alcohol group of the polyol. The precursor reacts with the alcohol group of the polyol to form a urethane linkage and to add a covalently bonded curable functional group to the polyol. The oligomers can be included in coating compositions for optical fiber and lead to coatings having improved tear strength.

POLYMER SUITABLE AS A THICKENER

The invention relates to polymer comprising structural units according to formula (I), R.sup.1—X—(C═O)—NH—R.sup.2—NH—(C═O)—O—POA-R.sup.3—(O—POA-R.sup.4).sub.n wherein R.sup.1 represents an organic group terminated by a hydrocarbyl group having 6 to 50 carbon atoms, X represents O or N—R.sup.5, wherein R5 represents a hydrogen atom or a hydrocarbyl group having 1 to 30 carbon atoms, R.sup.2 represents an aliphatic hydrocarbyl group having 4 to 40 carbon atoms, POA represents a polyoxyalkylene group, R3 represents an organic group having 2 to 40 carbon atoms, n is an integer from 1 to 6, R.sup.4 is independently selected from —(C═O)—NH—R.sup.2—NH—(C═O)—X—R.sup.1, —(C═O)—NH—R.sup.1, —R.sup.6, wherein R.sup.6 represents a hydrogen atom or an aliphatic or aromatic group having 1 to 24 carbon atoms, and wherein the polymer has an average of at least 1.8 end groups R.sup.1 per molecule, a number average molecular weight in the range of 2000 to 100000 Daltons, a polydispersity in the range of 1.0 to 5.0, wherein the quotient of the polydispersity divided by (n+1) is less than 1.0, with the proviso that the polymer is not the reaction product of a) the mono-adduct of isophorone diisocyanate with 1-dodecanol and b) a polyether based on glycerol and a mixture of ethylene oxide and propylene oxide with an OH number of 18 mg KOH/g.

Compositions for forming a protective film against basic aqueous hydrogen peroxide solution, and pattern formation method

A composition for forming a protective film against basic aqueous hydrogen peroxide solution, including a crosslinker having, in one molecule, two or more groups at least one selected from the group consisting of a glycidyl group, a terminal epoxy group, an epoxycyclopentyl group, an epoxycyclohexyl group, an oxetanyl group, a vinyl ether group, an isocyanate group, and a blocked isocyanate, a compound having a group of Formula (1): ##STR00001## (wherein X.sup.1 is a substituent reacting with the crosslinker, R.sup.0 is a direct bond or a C.sub.1-2 alkylene group, X.sup.2 is a C.sub.1-2 alkyl group, C.sub.1-2 alkoxy group, or fluoro group, a is an integer of 0-2, b is an integer of 1-3, c is an integer of 0-4, and b and c satisfy a relational expression of 1≤(b+c)≤5) on a side chain or a terminal and having a weight average molecular weight of 800 or more, and an organic solvent.

POLYMER SUITABLE AS A THICKENER

The invention relates to polymer comprising structural units according to formula (I), R.sup.1X(CO)NHR.sup.2NH(CO)OPOA-R.sup.3(OPOA-R.sup.4).sub.n wherein R.sup.1 represents an organic group terminated by a hydrocarbyl group having 6 to 50 carbon atoms, X represents O or NR.sup.5, wherein R.sup.5 represents a hydrogen atom or a hydrocarbyl group having 1 to 30 carbon atoms, R.sup.2 represents a hydrocarbyl group comprising an aromatic group and having 6 to 40 carbon atoms, POA represents a polyoxyalkylene group, R.sup.3 represents an organic group having 2 to 40 carbon atoms, n is an integer from 1 to 6, R.sup.4 is independently selected from (CO)NHR.sup.2NH(CO)NHR.sup.1, R.sup.6, wherein R.sup.6 represents a hydrogen atom or an aliphatic or aromatic group having 1 to 24 carbon atoms, and wherein the polymer has an average of at least 1.8 end groups R.sup.1 per molecule, a number average molecular weight in the range of 2000 to 100000 Daltons, and a polydispersity in the range of 1.0 to 5.0, wherein the quotient of the polydispersity divided by (n+1) is less than 1.0.

Polymer polyol stabilizers
10781310 · 2020-09-22 · ·

This invention relates to novel macromers comprise the reaction product of a starter compound having a functionality of 2 to 8 and a hydroxyl number of 20 to 50, with a modified isocyanate component. This invention also relates to preformed stabilizers prepared from these macromers, and to polymer polyols prepared from these novel macromers and novel preformed stabilizers. The present invention also relates to processes for preparing these compositions, to polyurethane foams comprising these polymer polyols, and to processes for preparing these polyurethane foams.