Provided is an antistatic agent (Z) containing: a block polymer (A) having a block of a hydrophobic polymer (a) and a block of a hydrophilic polymer (b) as structure units; and a sulfonate (S), the sulfonate (S) being a salt of an alkylbenzenesulfonic acid anion which has a C6-C18 alkyl group, the sulfonate (S) including at least two alkylbenzenesulfonates different in the number of carbon atoms of the alkyl group in the anion, the sulfonate (S) satisfying the following formula:

0.40≤W(n)/[W(n−1)+W(n)+W(n+1)]≤0.90

wherein n is the number of carbon atoms of the alkyl group in the anion of an alkylbenzenesulfonate accounting for the highest proportion by weight in the sulfonate (S); W(n) is a weight of said alkylbenzenesulfonate; and W(n−1) and W(n+1) are respectively a weight of an alkylbenzenesulfonate containing an anion having an alkyl group with (n−1) carbon atoms and a weight of an alkylbenzenesulfonate containing an anion having an alkyl group with (n+1) carbon atoms.

Provided is an antistatic agent (Z) containing: a block polymer (A) having a block of a hydrophobic polymer (a) and a block of a hydrophilic polymer (b) as structure units; and a sulfonate (S), the sulfonate (S) being a salt of an alkylbenzenesulfonic acid anion which has a C6-C18 alkyl group, the sulfonate (S) including at least two alkylbenzenesulfonates different in the number of carbon atoms of the alkyl group in the anion, the sulfonate (S) satisfying the following formula:

0.40≤W(n)/[W(n−1)+W(n)+W(n+1)]≤0.90

wherein n is the number of carbon atoms of the alkyl group in the anion of an alkylbenzenesulfonate accounting for the highest proportion by weight in the sulfonate (S); W(n) is a weight of said alkylbenzenesulfonate; and W(n−1) and W(n+1) are respectively a weight of an alkylbenzenesulfonate containing an anion having an alkyl group with (n−1) carbon atoms and a weight of an alkylbenzenesulfonate containing an anion having an alkyl group with (n+1) carbon atoms.

The present disclosure provides a process. The process includes (i) providing a post-consumer recycled polypropylene (PCR-PP) having a melt flow rate (MFR I.sub.2) equal to, or greater than, 7.0 g/10 min; (ii) adding a 4,4′-oxydibenzenesulfonyl azide (DPO-BSA) to the PCR-PP; (iii) melt blending the PCR-PP with the DPO-BSA; and (iv) forming a DPO-BSA coupled PCR-PP having a melt flow rate (MFR I.sub.2) equal to, or less than, 5 g/10 min.

The present disclosure provides a process. The process includes (i) providing a post-consumer recycled polypropylene (PCR-PP) having a melt flow rate (MFR I.sub.2) equal to, or greater than, 7.0 g/10 min; (ii) adding a 4,4′-oxydibenzenesulfonyl azide (DPO-BSA) to the PCR-PP; (iii) melt blending the PCR-PP with the DPO-BSA; and (iv) forming a DPO-BSA coupled PCR-PP having a melt flow rate (MFR I.sub.2) equal to, or less than, 5 g/10 min.

This disclosure relates to a foamable resin composition containing a nitrogen gas-generating compound and methods of using the composition for loss circulation control.

This disclosure relates to a foamable resin composition containing a nitrogen gas-generating compound and methods of using the composition for loss circulation control.

Provided are a curable composition that provides a cured film excellent in antifogging properties, an antifogging coating agent containing the composition, and a cured film formed from a cured product of the composition. A curable composition according to an embodiment of the invention contains a (meth)acrylate compound (A), and a surfactant (B), wherein the component (A) contains a (meth)acrylate compound (A1) having an HLB value of 15.2 or more, and the content of the component (B) with respect to 100 parts by mass of the component (A) is 0.1 parts by mass or more and 20 parts by mass or less.

Provided are a curable composition that provides a cured film excellent in antifogging properties, an antifogging coating agent containing the composition, and a cured film formed from a cured product of the composition. A curable composition according to an embodiment of the invention contains a (meth)acrylate compound (A), and a surfactant (B), wherein the component (A) contains a (meth)acrylate compound (A1) having an HLB value of 15.2 or more, and the content of the component (B) with respect to 100 parts by mass of the component (A) is 0.1 parts by mass or more and 20 parts by mass or less.

The invention relates to a composite based on at least one, preferably metallic, reinforcing element and on a rubber composition based on at least a. an epoxidized diene elastomer, b. a reinforcing filler, and c. a system for crosslinking the epoxidized diene elastomer comprising at least:
a polyacid compound selected from organopolyphosphorus compounds of general formula (I) and polysulfonic acids of general formula (II), and a polyphenol compound comprising at least two hydroxyl —OH functions on the same aromatic ring,

##STR00001##

in which A represents a covalent bond or a hydrocarbon group comprising at least 1 carbon atom, which is optionally substituted and optionally interrupted by one or more heteroatoms, and the R symbols represent, independently of one another, a hydrocarbon group comprising at least 1 carbon atom or a hydrogen atom;

##STR00002##

in which A′ represents a covalent bond or a hydrocarbon group comprising at least 1 carbon atom, which is optionally substituted and optionally interrupted by one or more heteroatoms.

The invention relates to a composite based on at least one, preferably metallic, reinforcing element and on a rubber composition based on at least a. an epoxidized diene elastomer, b. a reinforcing filler, and c. a system for crosslinking the epoxidized diene elastomer comprising at least:
a polyacid compound selected from organopolyphosphorus compounds of general formula (I) and polysulfonic acids of general formula (II), and a polyphenol compound comprising at least two hydroxyl —OH functions on the same aromatic ring,

##STR00001##

in which A represents a covalent bond or a hydrocarbon group comprising at least 1 carbon atom, which is optionally substituted and optionally interrupted by one or more heteroatoms, and the R symbols represent, independently of one another, a hydrocarbon group comprising at least 1 carbon atom or a hydrogen atom;

##STR00002##

in which A′ represents a covalent bond or a hydrocarbon group comprising at least 1 carbon atom, which is optionally substituted and optionally interrupted by one or more heteroatoms.