prepolymern.

Brit.

/priːˈpɒlᵻmə/, U.S.

/ˌpriˈpɑləmər/

Origin: Formed within English, by derivation. Etymons: pre- prefix, polymer n.

Etymology: < pre- prefix + polymer n. Compare earlier prepolymerization n.

A partially polymerized substance, convenient for manipulation, temporary storage, etc., which is produced as an intermediate in a process of polymerization and is fully polymerized at a later stage in the process.

ΘΚΠ

the world > matter > chemistry > polymer chemistry > prepolymer > [noun]

prepolymer1948

1948 Industr. & Engin. Chem. 40 2277/1 Sheets and rods have been cast with the catalyzed monomer or the prepolymer.

1956 Mod. Plastics July 111/3 If this thickening process is interrupted at the appropriate point, the prepolymer or sirup has about the same consistency as molasses.

1978 Sci. Amer. June 107/1 The third method of consolidating stone is to treat it with organic monomers and prepolymers.

1995 Economist 30 Sept. 137/3 When a droplet of prepolymer liquid is put at one end of the channels thus formed, capillary action draws it through the entire network of connected passages.

This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022).

单词	prepolymer
释义	prepolymern. Brit. /priːˈpɒlᵻmə/, U.S. /ˌpriˈpɑləmər/ Origin: Formed within English, by derivation. Etymons: pre- prefix, polymer n. Etymology: < pre- prefix + polymer n. Compare earlier prepolymerization n. A partially polymerized substance, convenient for manipulation, temporary storage, etc., which is produced as an intermediate in a process of polymerization and is fully polymerized at a later stage in the process. ΘΚΠ the world > matter > chemistry > polymer chemistry > prepolymer > [noun] prepolymer1948 1948 Industr. & Engin. Chem. 40 2277/1 Sheets and rods have been cast with the catalyzed monomer or the prepolymer. 1956 Mod. Plastics July 111/3 If this thickening process is interrupted at the appropriate point, the prepolymer or sirup has about the same consistency as molasses. 1978 Sci. Amer. June 107/1 The third method of consolidating stone is to treat it with organic monomers and prepolymers. 1995 Economist 30 Sept. 137/3 When a droplet of prepolymer liquid is put at one end of the channels thus formed, capillary action draws it through the entire network of connected passages. This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022). < n.1948
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