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Cellulose acetate film, made from cellulose diacetate and later cellulose triacetate, was introduced in 1934 as a replacement for the cellulose nitrate film stock that had previously been standard. When exposed to heat or moisture, acids in the film base begin to deteriorate to an unusable state, releasing acetic acid with a characteristic ...
It provides coatings, adhesives and specialty plastics products, is a major supplier of cellulose acetate fibers, and produces copolyesters for packaging. The company's products and operations are managed and reported in four operating segments: Additives & Functional Products, Advanced Materials, Chemical Intermediates, and Fibers.
The most common way to prepare cellulose acetate phthalate consists of the reaction of a partially substituted cellulose acetate (CA) with phthalic anhydride in the presence of an organic solvent and a basic catalyst. The organic solvents widely used as reaction media for the phthaloylation of cellulose acetate are acetic acid, acetone, or ...
Cellulose acetate butyrate (CAB) is a mixed ester thermoplastic derivative of cellulose acetate that contains both acetate and butyrate functional groups. It has improved weathering resistance and lower moisture absorption compared to cellulose acetate.
Celanese Acetate Announces Price Increases DALLAS--(BUSINESS WIRE)-- Celanese Corporation (NYS: CE) , a global technology and specialty materials company, today announced that its Celanese Acetate ...
Cellulose acetate film, or safety film, is used in photography as a base material for photographic emulsions. It was introduced in the early 20th century by film manufacturers and intended as a safe film base replacement for unstable and highly flammable nitrate film. Cellulose diacetate film was first employed commercially for photographic ...
Celanese Announces Acetate Tow Price Increases DALLAS--(BUSINESS WIRE)-- Celanese Corporation (NYS: CE) , a global technology and specialty materials company, today announced it will increase the ...
Nitrocellulose is a derivative of cellulose that is soluble in organic solvents. It is mainly used as an explosive or as a lacquer. Many early plastics, including celluloid, were made from nitrocellulose. Cellulose acetate shares many traits with viscose rayon and was formerly considered the same textile. However, rayon resists heat, while ...
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