monomer

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monomer

(mŏn`əmər): see polymerpolymer
, chemical compound with high molecular weight consisting of a number of structural units linked together by covalent bonds (see chemical bond). The simple molecules that may become structural units are themselves called monomers; two monomers combine to form a dimer,
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monomer

[′män·ə·mər]
(organic chemistry)
A molecule which is capable of combining with like or unlike molecules to form a polymer; it is a repeating structure unit within a polymer. Also known as repeating unit.

monomer

An organic liquid having a relatively low molecular weight which reacts with itself (or other compounds of low molecular weight) to create a solid polymer.

monomer

Chem a compound whose molecules can join together to form a polymer
References in periodicals archive ?
The new process leaves fewer residual monomers in the end product.
g] of Simgal as an auto polymerized denture base polymer was considerably lowered because of the residual MMA content -85[degrees]C [56, 57], Among the properties that could be affected by the presence of residual monomers in the acrylic resin is its [T.
The ADI/HDI hybrid isocyanurate with low residual monomer content was synthesized successfully with TMR as catalyst.
Axelsson B, Nyquist G (1962) The leaching and biological effect of residual monomer of methyl methacrylate.
DSM researchers have discovered that removal of residual monomer is facilitated by including ethyl methacrylate as a monomer in the polymerization mixture.
Effect of the curing cycle on residual monomer levels of acrylic resin denture base polymers.
1-5% of the residual monomer and additives, mainly MMA and formaldehyde, contributing to localized allergic reactions.
They also affirm that there is a reduction in the amount of residual monomers after 6 h, and that, after that period, the heat treatment did not lead to an increase in flexural strength.
The analyses of the residual monomer content showed no or low levels of residual monomers in the final polymer.
In addition, Eastman has recently developed several new low VOC PMRs that have very low residual monomer content and total volatile organic content compared to traditional PMRs (from other suppliers and Eastman) in the market, using a proprietary processing technology.
It is possible that the association between the presence of pigments, a higher molecular weight, and microwave-curing, with more uniform heating, promoted stronger links among the polymeric chains, with a lower concentration of residual monomer.