Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1987-07-02
1989-08-15
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C08F28302, C08F28304
Patent
active
048575887
ABSTRACT:
Hydrocarbyl-grafted cellulose fibers and a process for the preparation of hydrocarbyl chain-grafted cellulose fibers comprising the steps of contacting cellulose fibers wherein in the range of from 0.25 to 33.3% of the hydroxyl groups have been converted into the corresponding alkali metal oxy groups, with an organic compound comprising a hydrocarbyl chain having a molecular weight of at least 150 and wherein said chain carries an electrophylic functional group, at a temperature in the range of from 20.degree. to 150.degree. C.
REFERENCES:
patent: 2181906 (1937-11-01), Miller et al.
patent: 3351635 (1967-11-01), Kollar
patent: 3492082 (1970-01-01), Hackensack
patent: 4540742 (1985-09-01), Okamoto
Formation and Structure of Sodium Cellulosates in Relation to Physical Properties of Cellulosic Fibers; R. K. Toner; B. Z. Kamich, Textile Research Journal, vol. 38, Jan. to Dec. 1968, pp. 599-605.
R. P. Quirk, Wei-Chih Chen; Functionalization of Polymeric Organolithium Compounds. Carbonation; Macromolecular Chem. & Phys.; vol. 183, No. 9, pp. 2071-2076.
Foelak Morton
Nutter Nathan M.
Shell Oil Company
Vance Dean F.
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