Polymer fine particles for jet ink, process for producing the sa

Details Polymer fine particles for jet ink, process for producing the sa Polymer fine particles for jet ink, process for producing the sa

1996-02-09

2000-03-07

Morris, Terrel

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524591, 524839, 524840, 260DIG38, 104 3113, C09D 1110

Patent

active

060341548

ABSTRACT:
The present invention provides polymer fine particles for a jet ink, each polymer fine particle containing a colorant, wherein the polymer fine particles have an average particle diameter in the range of 5 to 700 nm, a maximum particle diameter of at most 1000 nm, and a particle size distribution, at m value of shape parameter according to the Weibull distribution, of at least 1.3, and wherein the polymer fine particles are able to form a coating film at room temperature. By using the aforementioned polymer fine particles as essential components according to the present invention, it is possible to provide polymer fine particles for a jet ink which display a superior storage stability, resistance to wear, durability, water resistance, solvent resistance, chemical resistance and the like, in which there is no clogging of the ink jet; and a jet ink comprising the aforementioned polymer fine particles which produces clear prints over a long period of time wherein smudging of the printed matter due to water or sweat does not easily occur.

REFERENCES:
patent: 4203883 (1980-05-01), Hangauer et al.
patent: 4507431 (1985-03-01), Stutz et al.
patent: 4692188 (1987-09-01), Ober et al.
patent: 4945128 (1990-07-01), Hille et al.

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