Structured latex particles having reinforcing and opacity charac

Details Structured latex particles having reinforcing and opacity charac Structured latex particles having reinforcing and opacity charac

1987-09-23

1989-02-21

Gibson, Sharon A.

Paper making and fiber liberation

Processes and products

Non-fiber additive

162169, 428402, D21D 300, D21H 340

Patent

active

048062073

ABSTRACT:
A paper product, especially light weight papers, is prepared with a structured latex particle having opacity and reinforcing characteristics comprising a core region having a light scattering characteristic and T.sub.g of about 80 degrees C or higher and a shell region of about 25 degrees C or lower. The structured latex particle provides opacity to the paper without adversely affecting its mechanical strength.

REFERENCES:
patent: 4156669 (1979-05-01), Lee
patent: 4178205 (1979-12-01), Wessling et al.
patent: 4181769 (1980-06-01), Plamondon et al.
patent: 4189345 (1980-02-01), Foster
patent: 4264678 (1981-04-01), Nelsen et al.
patent: 4537916 (1985-08-01), Bruschtein et al.
patent: 4666777 (1987-05-01), Ash et al.
patent: 4717750 (1988-01-01), Makati et al.
patent: 4742108 (1988-05-01), Makati et al.

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