Wako. Specialty Chemicals. - C&EN Global Enterprise (ACS

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VWCIIVOB Specialty Chemicals. Explore for yourself. Specializing in azo free-radical polymerization initiators.



Newly expanded line of water soluble products.

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wakousâaCfini Wako Chemicals USA, Inc. 1600 Bellwood 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]

Unique range of organic soluble products.

Wako Chemicals GmbH NissanstraBe 2 0-41468 Neuss, Germany email: [email protected]

New custom manufacturing services.

Wako

Water Soluble:

Organic Soluble:

VA-044 tV2=44°C Lowest temperature azo free-radical initiator commercially available.

V-50 ti/ 2 =56°C Lowest cost, most versatile product for acidic systems.

\?H° ?V C-C-N=N-C-C CH3 C H 3 X N H

l/ H

VA-061 ti/ 2 =61°C Forms water soluble salts in the presence of acid where hydrochloric acid is not suitable. -N

CH 9 H 3, OC-N=N-C-C

/ ' N

'

CH 3

«\

CH 3 X N

ÇH3

ÇR,

,NH

C-ON=N-C-C

/ H2M

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I \

CH3

CH3

^

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

\CH,

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C-ON=N-C-C / I I \ HOCHaCHaNH C H 3 C H 3 NHCHaCHaOH

VA-057 ti/ 2 =57°C Designed for use in alkaline systems, especially emulsion polymerization. Developmental product. CH3

CH3 ,NH

•nH20 C-C-N=N-C-C / I I \ HOOCCHgCHaNH CH3 CH3 NHCHgCH^OOH

V-30 ti/ 2 =104°C Highest temperature azo free-radical initiator commercially available.

CH3

REQUEST MORE AT ADINFONOW.ORG

OCH3 CH3 CHa

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OCH3

CH3-C-CH2-C-N=N-C-CH2-C-CH3 I I i ! CHg CN CN CHg

V-601 ti/ 2 =66°C Improved solubility in a wide variety of organic solvents. Similar to AIBN, but the nitrile group is eliminated. CH3

HaC-C-N-N-C-NHj, CN

V-70 ti/ P =30°C Lowest temperature azo free-radical initiator commercially available.

ÇH3

CH3-C-N=N-C-CH3 C^OOC

CCOCH3