Process for treating and sizing paper substrates

Details Process for treating and sizing paper substrates Process for treating and sizing paper substrates

1996-11-25

1998-01-20

Chin, Peter

Paper making and fiber liberation

Processes and products

With coating after drying

1621646, 427475, 427482, 4273899, 427391, 427395, D21H 1916

Patent

active

057097763

ABSTRACT:
A process is disclosed for strengthening and sizing paper which comprises the step of applying a composition comprising (a) an isocyanate and (b) an isocyanate-reactive component comprising at least one polyol having an ethylene oxide content of at least 1%, wherein said composition does not contain water to the paper by means of an electrostatic spraying device having a linear orifice.

REFERENCES:
patent: 3484275 (1969-12-01), Lewicki
patent: 3492081 (1970-01-01), Morak
patent: 3930614 (1976-01-01), Krenkel
patent: 3996154 (1976-12-01), Johnson et al.
patent: 4505778 (1985-03-01), Robertson
patent: 4609686 (1986-09-01), Giordano, Jr. et al.
patent: 4801086 (1989-01-01), Noakes
patent: 4837057 (1989-06-01), Bartoszek-Loza et al.
patent: 4846407 (1989-07-01), Coffee et al.
patent: 4854506 (1989-08-01), Noakes et al.

Affiliated with

Also associated with

Rating

Process for treating and sizing paper substrates does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for treating and sizing paper substrates, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for treating and sizing paper substrates will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-722771