Polyurethane polyurea, method for providing same and cosmetic composition containing same

A polyurethane polyurea represented by General Formula (I) below:

• where G represents a group represented by General Formula (1) below, J represents a group represented by General Formula (2) below, X1 represents a group represented by General Formula (3) below or a group represented by General Formula (4) below, X2 represents a group represented by General Formula (5) below or a group represented by General Formula (6) below, each of g and j independently represent a number from 1 to 10,000, and the sequence of G and J may be either block or random, or a combination of block parts and random parts;
• where R21 represents a C1-20 divalent hydrocarbon group, each of R1 and R10 independently represents a C1-4 divalent hydrocarbon group, each of R2 and R9 independently represent a C1-10 divalent hydrocarbon group, each of R3 to R8 independently represent a C1-10 hydrocarbon group, a group represented by General Formula (1-1) below or a group represented by General Formula (1-2) below, each of m and p independently represent a number from 0 to 10, and the average value of n represents a number from 0 to 2,000;
• where R11 represents a C1-10 divalent hydrocarbon group, R12 represents a C1-4 divalent hydrocarbon group, and q represents a number from 0 to 10;
• where R11 represents a C1-10 divalent hydrocarbon group, R12 represents a C1-4 divalent hydrocarbon group, q represents a number from 0 to 10, G′ represents a group represented by General Formula (1), J′ represents a group represented by General Formula (2), X3 represents a group represented by General Formula (5) below or a group represented by General Formula (6) below, each of e and f independently represent a number from 0 to 10,000, and the sequence of G′ and J′ may be either block or random, or a combination of block parts and random parts;
• where R22 represents a C1-20 divalent hydrocarbon group, R30 represents a C1-10 divalent hydrocarbon group, and t represents a number 0 or 1;
• where each of R42 and R43 independently represent a hydrogen atom or a C1-30 hydrocarbon group optionally having one or two or more substituents selected from a nitro group, an ether group, a carbonyl group, an ester group and an amide group;
• however, R42 and R43 may not both be hydrogen atoms;
• where R51 represents a C1-30 hydrocarbon group optionally having one or two or more substituents selected from a nitro group, ether group, carbonyl group, ester group and amide group;
• where R23 represents a C1-20 divalent hydrocarbon group, and each of R44 and R45 independently represent a hydrogen atom or a C1-30 hydrocarbon group optionally having one or two or more substituents selected from a nitro group, an ether group, a carbonyl group, an ester group and an amide group;
• however, R44 and R45 may not both be hydrogen atoms;
• where R24 represents a C1-20 divalent hydrocarbon group, and R52 represents a C1-30 hydrocarbon group optionally having one or two or more substituents selected from a nitro group, an ether group, a carbonyl group, an ester group and an amide group.

A method for manufacturing a polyurethane polyurea, comprising:

• a step of obtaining a polyurethane polyurea prepolymer by reacting a silicone derivative starting material made up of one or two or more compounds represented by General Formula (A) below, a diisocyanate compound starting material made up of one or two or more compounds represented by General Formula (B) below and a starting material made up of one or two or more compounds represented by General Formula (C) below;
• and a step of reacting the polyurethane polyurea prepolymer with either or both of a nitrogen compound made up of one or two or more compounds represented by General Formula (D) below and a hydroxyl group-containing compound made up of one or two or more compounds represented by General Formula (E) below:
• where R1 and R10 represent C1-4 divalent hydrocarbon groups, R2 and R9 represent C1-10 divalent hydrocarbon groups, each of R3 to R8 independently represent a C1-10 hydrocarbon group or a group represented by General Formula (a-1), each of m and p independently represent a number from 0 to 10, and the average value of n represents a number from 0 to 2,000;
• where R11 represents a C1-10 divalent hydrocarbon group, R12 represents a C1-4 divalent hydrocarbon group, and q represents a number from 0 to 10;
• OCN—R20—NCO (B)
• where R20 represents a C1-20 divalent hydrocarbon group;
• where R30 represents a C1-10 divalent hydrocarbon group or oxygen atom, and y represents a number 0 or 1;
• however, when R30 is a C1-10 divalent hydrocarbon group, y represents the number 1, and when R30 is an oxygen atom, y represents the number 0;
• where each of R40 and R41 independently represent a hydrogen atom or a C1-30 hydrocarbon group optionally having one or two or more substituents selected from a nitro group, an ether group, a carbonyl group, an ester group and an amide group;
• however, R40 and R41 may not both be hydrogen atoms;
• R50—OH (E)
• where R50 represents a C1-30 hydrocarbon group optionally having one or two or more substituents selected from a nitro group, an ether group, a carbonyl group, an ester group and an amide group.