Borate solution soluble polyvinyl alcohol films

Details Borate solution soluble polyvinyl alcohol films Borate solution soluble polyvinyl alcohol films

C - Chemistry, Metallurgy

11

D

134/4.2

C11D 17/04 (2006.01) C08J 5/18 (2006.01)

Patent

CA 1230795

Borate Solution Soluble Polyvinyl Alcohol Films Abstract Conventional polyvinyl alcohol envelopes will not readily dissolve in wash water which has a significant borate concentration and a pH frequently encountered in wash liquors. Herein, such films are rendered sufficiently soluble in such solutions. In the preferred embodiment this is done by utilizing a polyvinyl alcohol film wherein at least a portion of the polyvinyl alcohol has a number average molecular weight below about 50,000, or a polyvinyl alcohol film containing a polyhydroxy compound having a binding constant with borate of at least about 800M-2, or utilizing a polyvinyl alcohol film having an acid having an acid dissociation constant of 10-9M or larger; or a polyvinyl alcohol film containing mixtures thereof.

414399

Affiliated with

Also associated with

Rating

Borate solution soluble polyvinyl alcohol films does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Borate solution soluble polyvinyl alcohol films, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Borate solution soluble polyvinyl alcohol films will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1203210