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HyTemp ® Polyacrylate
PRODUCT SELECTION
Recent advances in polyacrylate (ACM) polymer development continue to result in new, easily processed polymers. Selecting the right polymer for a particular application is the most important step to developing a successful polyacrylate application.
The characteristics of ACM are dependent, as with most polymers, upon the monomers that make up the polymer backbone of the particular grade of ACM elastomer. The choice of base rubber is the primary determinant of low-temperature and oil resistance properties. This also determines the choice of cure system. It is necessary to match the cure system with the specific polymer cure-site type.
Zeon Chemicals offers ACM polymers from four different families of polyacrylates. A family, as defined here, is a class of polyacrylate elastomers that share common reactive cure-sites and can be vulcanized by using the same, or similar, cure system chemistry. |
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The superiority of these new elastomers over traditional ACM elastomers has been successfully demonstrated in many under-the-hood applications, including valve cover and oil pan gaskets, seals, hoses, and air ducts.
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The 4050 types have identical dual chlorine/carboxyl cure-sites. The dual cure-site polymers can give good physical properties, especially compression set resistance.
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The HyTemp/Nipol AR70 series elastomers incorporate the use of a chlorine cure-site monomer. In general terms, the chlorine cure-site family offers a range of performance from 40°C to 175°C.
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In order to assist customers with the compounding and processing of polyacrylate materials, Zeon Chemicals offers a line of curatives, retarders, and antidegradants.
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