Wako Specialty Chemicals - C&EN Global Enterprise (ACS Publications)

Publication Date: August 13, 2007. Copyright © 2007 AMERICAN CHEMICAL SOCIETY. ACS Chem. Eng. News Archives. First Page Image. Advertisements that ...
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Wako

Specialty Chemicals Explore for yourself. Specializing in azo ffee-radfca? polymerization initiators.

Newly expanded line of water soin! 3 iroducts.

Unique range of organic soluble products.

New custom manufacturing services.

wakousa.com Wako Chemicals USA, Inc. 1600Bellwood Road Richmond, VA 23237, USA Ph: (804) 714-1912 email: [email protected]

Wako Pure Chemical Industries, Ltd. 1-2, Doshomachi 3-Chome Chuo-Ku, Osaka, Japan email: [email protected]

Wako Chemicals GmbH NissanstraBe 2 D-41468 Neuss, Germany email: [email protected]

Wako Organic Soluble:

Water Soluble: VA-044 tV 2 =44°C Lowest temperature azo free-radical initiator commercially available.

V-50

VA-061

VA-086 tV 2 =86°C Residual monomer scavenging when post-reaction addition is not possible. Creates functionalized end-groups on the polymer chain.

tVp=61°C Forms water soluble salts in the presence of acid where hydrochloric acid is not suitable.

tVp=56°C

Lowest cost, most versatile product for acidic systems.

ti/ 9 =57°C VA-057 Designed for use in alkaline systems, especially emulsion polymerization. Developmental product.

V-70

tV P =104°C V-30 Highest temperature azo free-radical initiator commercially available.

V-601

REQUESTM0REATADINF0N0W.ORG

ti/ 2 =30°C

Lowest temperature azo free-radical initiator commercially available.

ti/ 2 =66°C

Improved solubility in a wide variety of organic solvents. Similar to AIBN, but the nitrile group is eliminated.