High-molecular weight high-ortho novolak type phenolic resin

Details High-molecular weight high-ortho novolak type phenolic resin High-molecular weight high-ortho novolak type phenolic resin

1998-04-09

1999-11-16

Truong, Duc

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528137, 528155, 528165, 525480, C08G 804, C08G 1404, C08G 820

Patent

active

059860359

ABSTRACT:
Provided is a high-molecular weight high-ortho novolak type phenolic resin excellent in handleability, heat resistance characteristics, curability and electric characteristics suitable for various uses and superior in balance of properties. This high-molecular weight high-ortho novolak type phenolic resin is a condensate of a trifunctional phenol compound with an aldehyde compound, is soluble in solvents, has a weight-average molecular weight of 50,000 or more calculated by polystyrene standard, has methylene bonds at ortho-ortho position in respect to phenolic hydroxyl group in an amount of 55% or more based on total methylene bonds, and has an extraction water electric conductivity of 10 .mu.S/cm or less.

REFERENCES:
patent: 4097463 (1978-06-01), Culbertson
patent: 5023311 (1991-06-01), Kubota

Affiliated with

Also associated with

Rating

High-molecular weight high-ortho novolak type phenolic resin does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with High-molecular weight high-ortho novolak type phenolic resin, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and High-molecular weight high-ortho novolak type phenolic resin will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1326108