Syndiotactic 1,2-polybutadiene latex

Details Syndiotactic 1,2-polybutadiene latex Syndiotactic 1,2-polybutadiene latex

1988-08-24

1990-02-20

Schofer, Joseph L.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

526 92, 526 93, 526903, 502162, 502167, 502170, 502171, C08J 1102

Patent

active

049027417

ABSTRACT:
This invention reveals a technique for preparing syndiotactic 1,2-polybutadiene latex. It more specifically discloses a process for synthesizing syndiotactic 1,2-polybutadiene latex by polymerizing 1,3-butadiene in an aqueous medium in the presence of (1) at least one emulsifier, (2) a catalyst emulsion composition which is prepared by a microfluidization or microemulsification process, and (3) at least one member selected from the group consisting of carbon disulfide and phenyl isothiocyanate. Such syndiotactic 1,2-polybutadiene latices can be utilized in preparing blends of syndiotactic 1,2-polybutadiene with rubbers which are prepared by emulsion polymerization.

REFERENCES:
patent: 4429085 (1984-12-01), Henderson et al.

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