polivinil acetat

polivinil acetat

(H₂CCHOOCCH₃)x A thermoplastic polymer; insoluble in water, gasoline, oils, and fats, soluble in ketones, alcohols, benzene, esters, and chlorinated hydrocarbons; used in adhesives, films, lacquers, inks, latex paints, and paper sizes. Abbreviated PVA; PVAc.

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Loại từ: noun
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Ngành nghề/Lĩnh vực: Chemistry
Category: Organic chemistry
Company: McGraw-Hill
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acetat

Chemistry; General chemistry

1. an ion formed by removing the acidic hydrogen of acetic acid , HC2H3O2. 2. a compound derived by replacing the acidic hydrogen in acetic acid. 3. A fiber made of cellulose ...

polivinil alkohol

Chemistry; Organic chemistry

Water-soluble polymer made by hydrolysis of a polyvinyl ester (such as polyvinyl acetate); used in adhesives, as textile and paper sizes, and for emulsifying, suspending, and ...

polivinil fluorid

Chemistry; Organic chemistry

(_H 2 CCHF_)x Vinyl fluoride polymer; has superior resistance to weather, chemicals, oils, and stains, and has high strength; used for packaging (but not of food) and electrical ...

polivinil-hlorid

Chemistry; Organic chemistry

(H 2 CCHCl)x Polymer of vinyl chloride; tasteless, odorless; insoluble in most organic solvents; a member of the family of vinyl resins; used in soft flexible films for food ...

etil-acetat

Chemistry; General chemistry

A flammable liquid with a fruity odor, used in flavorings and as a solvent.

alizarin

Chemistry; Organic chemistry

C 14 H 6 O 2 (OH) 2 An orange crystalline compound, insoluble in cold water; made synthetically from anthraquinone; used in the manufacture of dyes and red pigments.

benzol peroksid

Chemistry; Organic chemistry

(C 6 H 5 CO) 2 O 2 A white, crystalline solid; melting point 103–105_C; explodes when heated above 105_C; slightly soluble in water, soluble in organic solvents; used as a ...

aldikarb

Chemistry; Organic chemistry

C 7 H 14 N 2 O 2 S A colorless, crystalline compound with a melting point of 100_C; used as an insecticide, miticide, and nematicide to treat soil for cotton, sugarbeets, ...

celulozna vlakna

Chemistry; Organic chemistry

Any fiber based on esters or ethers of cellulose.

merkaptan

Chemistry; Organic chemistry

A group of organosulfur compounds that are derivatives of hydrogen sulfide in the same way that alcohols are derivatives of water; have a characteristically disagreeable odor, and ...

nonil-fenol

Chemistry; Organic chemistry

C 9 H 19 C 6 H 4 OH Pale-yellow liquid boiling at 283–302_C; soluble in organic solvents, insoluble in water; a mixture of monoalkyl phenol isomers, mostly para-substituted; used ...

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Ngành nghề/Lĩnh vực: Aerospace Category: Space flight

svemirski šatl

A reusable spacecraft with wings developed by the U.S. National Aeronautics and Space Administration (NASA) for human spaceflight missions. The first ...