单词 | polyacrylic |
释义 | polyacrylicadj.n. A. adj. I. Compounds. 1. polyacrylic acid n. Chemistry a water-soluble polymer of acrylic acid that is a polyelectrolyte used as an additive to increase viscosity. ΚΠ 1930 Chem. Abstr. 24 1563 Colloid mols. may be homeopolar (polystyrols, rubber), or heteropolar (polyacrylic acid salts, albuminoids). 1973 Materials & Technol. VI. viii. 560 The chemical composition of polyacrylic acid, as the basic polymer of the whole class of acrylics, permits the production of many derivatives. 1998 New Scientist 28 Mar. 11/3 Larger holes can be created by adding extra polyacrylic acid, which extends the distance between the polyethylene glycol intersections. II. General uses. 2. Chemistry. Designating compounds which are polymers of acrylic acid, its esters, or its substituted derivatives. Also: designating thermoplastic materials consisting of or made from such polymers. ΘΚΠ the world > matter > chemistry > polymer chemistry > resins and plastics > [adjective] > thermoplastic resins polyethylenic1860 polyacrylic1939 Dacron1951 phenoxy1962 society > occupation and work > materials > derived or manufactured material > synthetic resins and plastics > [adjective] > other polymers phenolic1910 polyacrylic1939 1939 Jrnl. Royal Aeronaut. Soc. 43 241 The article deals with the mechanical and physical properties of four representative transparent plastic resins: Cellulose nitrate, cellulose acetate, polymer mixtures and polyacrylic esters. 2001 Coatings World (Nexis) June 54 The most commonly used two-component solventborne system for wood furniture is based on an OH-functional polyester or polyacrylic resin crosslinked with either an aliphatic or aromatic polyisocyanate. B. n. A polyacrylic fibre; a material made from such fibres. ΘΚΠ the world > matter > chemistry > polymer chemistry > resins and plastics > [noun] > thermoplastic resins > other miscellaneous polyphenylene oxide1921 polyamide1929 polycarbonate1930 polyacetal1931 polypropylene1935 polymethyl methacrylate1936 polyethylene terephthalate1946 Dacron1951 polyacrylic1959 polyallomer1962 ionomer1964 parylene1965 society > occupation and work > materials > derived or manufactured material > synthetic resins and plastics > [noun] > plastic > capable of hardening after heating or (re)shaping > types of polystyrol1873 polyoxymethylene1908 polystyrene1927 polyvinyl chloride1930 polyacetal1931 polyformal1935 polypropylene1935 PVC1941 polyacrylic1959 phenoxy1962 polyallomer1962 ionomer1964 parylene1965 polypro1986 1959 Times Rev. Industry Sept. 4/1 The last 20 years have seen the development of non-cellulosic fibres such as..polyacrylics (Courtelle, Orlon, Acrilan). 1986 Options Apr. 64 Pleated polyacrylic skirt. 2005 Hartford (Connecticut) Courant (Nexis) 21 Jan. h2 They [sc. rugs] are coated with polyacrylic, are highly durable, easy to clean and work fine on the floor. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < adj.n.1930 |
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