SILANE COMPOUND CONTAINING PERFLUOROPOLYETHER GROUP AND SURFACE-TREATING AGENT

摘要

The present invention provides a novel perfluoropolyether group containing silane compound wherein the compound is represented by any one of the following general formulae (1a), (1b) (2a) and (2b), has a number average molecular weight of 6×103 to 1×105 and can form a layer having water-repellency, oil-repellency, antifouling repellency and high friction durability.;

主权项

1. A perfluoropolyether group containing silane compound which has a number average molecular weight of 6×103 to 1×105 and is represented by any one of the following general formulae (1a) and (1b):wherein:
Rf1 is an alkyl group having 1 to 16 carbon atoms which may be substituted by one or more fluorine atoms; a, b, c and s are each independently an integer of 0 or more and 200 or less, wherein the sum of a, b, c and s is 1 or more, and the occurrence order of the respective repeating units in parentheses with the subscript a, b, c or s is not limited in the formula; d and f are 0 or 1; e and g are an integer from 0 to 2; m and l are an integer from 1 to 10; X is a hydrogen atom or a halogen atom; Y is a hydrogen atom or a lower alkyl group; Z is a fluorine atom or a lower fluoroalkyl group; T is a hydroxyl group or a hydrolyzable group; R1 is a hydrogen atom or an alkyl group having 1 to 22 carbon atoms; and n is an integer from 1 to 3.