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Polyester resins are synthetic resins formed by the reaction of dibasic organic acids and polyhydric alcohols. Maleic anhydride is a commonly used raw material with diacid functionality in unsaturated polyester resins. [1] Unsaturated polyester resins are used in sheet moulding compound, bulk moulding compound and the toner of laser printers.
Viverso is the successor of the resin factory of the Bayer Bitterfeld GmbH. Production started here in 1994. Besides the 3 Viverso product lines, the Bayer MaterialScience brands Bayhydrol and Desmodur are produced here. The facility is equipped with a pilot plant and a laboratory as well as raw material and final product storages.
BMC is manufactured by mixing strands (Greater than 1/8” and less than 2" [2] [3]) of chopped glass fibers, styrene, an initiator, and filler in a mixer with an unsaturated thermoset resin (commonly polyester resin, vinyl ester resin or epoxy resin). The mixing is done at room temperature and stored at low temperatures to slow down curing ...
Performance Material Products Division: general polymers (alkyd resins, unsaturated polyester resins, plasticizers, waterborne resins, acrylic resins, phenolic resins) specialty polymers (epoxy resins, ultraviolet (UV)-curable resins, polyurethane resins, fluorochemicals), metal carboxylates, sulphur chemicals, fiber and textile colorants
The global powder polyester resins business and the U.S.-based liquid. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways to ...
Unsaturated polyester resins are an extremely versatile, [12] [13] and fairly inexpensive class of thermosetting polymer formed by the polycondensation of glycol mixtures often containing propylene glycol, with a dibasic acid and anhydrides usually maleic anhydride to provide backbone unsaturation needed for crosslinking, and phthalic anhydride ...
Solutions of 30 to 40% MEKP are used in industry and by hobbyists as catalyst to initiate the crosslinking of unsaturated polyester resins used in fiberglass, and casting. For this application, MEKP often is dissolved in a phlegmatizer such as dimethyl phthalate , cyclohexane peroxide , [ clarification needed ] or diallyl phthalate [ de ] to ...
According to Reuters, the coating resins manufacturer was sold by acquisitions firm Advent in 2021 for $4.75 billion to Thailand’s PTT Global Chemical company. Reuters deemed it one of the ...
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