Permanently plasticized, cellulose-based product

Details Permanently plasticized, cellulose-based product Permanently plasticized, cellulose-based product

1988-04-05

1989-10-03

Kight, John

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 36, 426105, 426106, C08L 102, C08J 518, A22C 1300

Patent

active

048717916

ABSTRACT:
The cellulose-based product, in particular in the form of a film, contains in its wall a primary, permanent plasticizer of one or more crosslinked copolymers made from at least two components. One or more of these components are monomer units containing a terminal, ethylenically unsaturated, polymerizable group or compounds of maleic acid, or fumaric acid. A further component comprises units containing thermally crosslinked groups made from N-methylolamides of unsaturated carboxylic acids. A process is furthermore described for the production of this shaped product, in which the copolymer is metered into the viscose, and the N-methylolamide groups are thermally crosslinked with the cellulose.

REFERENCES:
patent: 3168409 (1965-02-01), Wellisch
patent: 4002712 (1977-01-01), Hammer et al.
patent: 4066584 (1978-01-01), Allen et al.
patent: 4097623 (1978-06-01), Hammer et al.
patent: 4142013 (1979-02-01), Hammer et al.
patent: 4198325 (1980-04-01), Hammer et al.
patent: 4263244 (1981-04-01), Allen et al.
patent: 4287217 (1981-09-01), Hammer et al.
patent: 4399255 (1983-08-01), Smith et al.
patent: 4529634 (1985-07-01), Hammer et al.

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