Preparation method of hollow particle

Details Preparation method of hollow particle Preparation method of hollow particle

2011-06-07

2011-06-07

Choi, Ling-Siu (Department: 1762)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S336000, C521S064000, C521S065000, C521S056000

Reexamination Certificate

active

07956147

ABSTRACT:
Disclosed is a method of preparing hollow particles comprising polymerizing a hydrophobic monomer to form a particulate resin exhibiting a number average molecular weight of from 20,000 to 500,000, dispersing the particulate resin in an aqueous medium to form a resin particle dispersion and adding thereto a hydrophobic cross-linkable monomer in an amount of from 0.1 to 50 parts by mass based on 1 part by mass of the particulate resin to polymerize the cross-linkable monomer to form hollow particles.

REFERENCES:
patent: 2005-200613 (2005-07-01), None

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