Phenol resin molding material, friction material, and phenol resin molded product

摘要

A phenol resin molding material includes a modified olefin-based polymer particle (I) and a phenol resin (II). It is preferable that the modified olefin-based polymer particle (I) satisfy at least one of the requirements (A), (B), and (C) which are defined as follows: (A) Inclusion of at least one element selected from a group consisting of a group 15 element, a group 16 element, and a group 17 element of the periodic table. (B) When the whole of the above-described olefin-based polymer particle (I) is set as 100 wt %, the content of the above-described elements is greater than or equal to 0.05 wt % and less than or equal to 50 wt %. (C) MFR which is measured under the conditions of 190° C. and 2.16 kgf based on JIS K 7210 is greater than or equal to 0.001 g/10 minutes and less than 3 g/10 minutes.

主权项

1. A phenol resin molding material comprising: a modified olefin-based polymer particle (I) and a phenol resin (II),
wherein the modified olefin-based polymer particle (I) is obtained by modifying a polyolefin particle composed of a polymer using ethylene as a monomer of which the intrinsic viscosity [η] which is measured at a temperature of 135° C. in decalin is greater than or equal to 5 dl/g and less than or equal to 40 dl/g, and wherein the modified olefin-based polymer particle is obtained by modifying the polyolefin particle using a carbonyl group, wherein the modified olefin-based polymer particle (I) satisfies the following requirements (A) and (B), (A) inclusion of oxygen, (B) when the whole of the modified olefin-based polymer particle (I) is 100 wt %, the content of oxygen is greater than or equal to 0.05 wt % and less than or equal to 50 wt %, and wherein the weight ratio of the modified olefin-based polymer particle (I) to the phenol resin (II) is greater than or equal to 1/99 and less than or equal to 10/90.