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Pioneer Valley Christian Academy is a private, non-denominational Christian school in Springfield, Massachusetts, United States.Founded in 1972, the school is accredited by the Association of Christian Schools International (ACSI) [1] and the New England Association of Christian Schools (NEACS). [2]
Polyvinyl chloride acetate (PVCA) is a thermoplastic copolymer of vinyl chloride and vinyl acetate. [1] It is used in the manufacture of electrical insulation, of protective coverings (including garments), and of credit cards and "vinyl" audio recordings.
Pioneer Valley Academy, located in New Braintree Massachusetts, opened its doors in September 1965 as a coed boarding school operated by the Southern New England Conference of Seventh-day Adventists.
Check out the Somerset County athletes named to the Inter-County County Conference fall sports all-star teams.
PVC was synthesized in 1872 by German chemist Eugen Baumann after extended investigation and experimentation. [12] The polymer appeared as a white solid inside a flask of vinyl chloride that had been left on a shelf sheltered from sunlight for four weeks.
With other monomers it can be used to prepare various copolymers such as ethylene-vinyl acetate (EVA), vinyl acetate-acrylic acid (VA/AA), polyvinyl chloride acetate (PVCA), and polyvinylpyrrolidone (Vp/Va copolymer, used in hair gels). [8]
Polyvinylidene fluoride or polyvinylidene difluoride (PVDF) is a highly non-reactive thermoplastic fluoropolymer produced by the polymerization of vinylidene difluoride.Its chemical formula is (C 2 H 2 F 2) n.
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