peptizern.

Brit.

/ˈpɛptʌɪzə/, U.S.

/ˈpɛpˌtaɪzər/

Forms: see peptize v. and -er suffix¹.

Origin: Formed within English, by derivation. Etymons: peptize v., -er suffix¹.

Etymology: < peptize v. + -er suffix¹.

Chemistry.

A substance which causes peptization, or which serves to prevent the coagulation of a colloid suspension; spec. a catalyst used to facilitate the process of mastication or vulcanization of rubber, by preventing the recombination of broken polymer chains.

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the world > matter > chemistry > chemical reactions or processes > [noun] > chemical reactions or processes (named) > peptization > peptidizer

peptizer1931

1931 E. S. Hedges Colloids iii. 16 If the freshly precipitated ferric hydroxide is treated with..ferric chloride solution it disperses immediately to form a dark reddish-brown colloidal solution. We call..ferric chloride the peptizer or peptizing agent.

1963 H. van Olphen Introd. Clay Colloid Chem. viii. 109 When a small amount of peptizer is added to a pure clay gel, the yield stress decreases drastically.

1990 New Scientist 24 Mar. 32/3 New research..has identified peptisers, chemicals that increase plasticity by breaking the long polymer chains into shorter lengths.

This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022).

单词	peptizer
释义	peptizern. Brit. /ˈpɛptʌɪzə/, U.S. /ˈpɛpˌtaɪzər/ Forms: see peptize v. and -er suffix¹. Origin: Formed within English, by derivation. Etymons: peptize v., -er suffix¹. Etymology: < peptize v. + -er suffix¹. Chemistry. A substance which causes peptization, or which serves to prevent the coagulation of a colloid suspension; spec. a catalyst used to facilitate the process of mastication or vulcanization of rubber, by preventing the recombination of broken polymer chains. ΘΚΠ the world > matter > chemistry > chemical reactions or processes > [noun] > chemical reactions or processes (named) > peptization > peptidizer peptizer1931 1931 E. S. Hedges Colloids iii. 16 If the freshly precipitated ferric hydroxide is treated with..ferric chloride solution it disperses immediately to form a dark reddish-brown colloidal solution. We call..ferric chloride the peptizer or peptizing agent. 1963 H. van Olphen Introd. Clay Colloid Chem. viii. 109 When a small amount of peptizer is added to a pure clay gel, the yield stress decreases drastically. 1990 New Scientist 24 Mar. 32/3 New research..has identified peptisers, chemicals that increase plasticity by breaking the long polymer chains into shorter lengths. This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022). < n.1931
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