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POLYHYDRIC ALCOHOL [10 records]

Record 1 2018-04-17

English

Subject field(s)
  • Plastic Materials
  • Paints and Varnishes (Industries)
CONT

Maleic resins. These resins are made by reacting maleic acid or anhydride with a polyhydric alcohol such as glycerin in the presence of rosin or ester gum. They have very fast solvent release, good compatibility with nitrocellulose, and good sanding properties.... Maleic resins also have a fast dry and good color retention so that they can be used in quick-drying white coatings.

OBS

maleic resin: term officially approved by the Lexicon Project Committee (New Brunswick).

French

Domaine(s)
  • Matières plastiques
  • Peintures et vernis (Industries)
OBS

résine maléique : terme uniformisé par le Comité du projet de lexiques (Nouveau-Brunswick).

Spanish

Save record 1

Record 2 2018-02-20

English

Subject field(s)
  • Nutritive Elements (Biological Sciences)
CONT

The phosphatides are associated with fats and oils in both plant and animal tissue. They consist of a polyhydric alcohol which is esterified with a fatty acid and with phosphoric acid.

French

Domaine(s)
  • Éléments nutritifs (Sciences biologiques)
CONT

Le jaune [d'œuf], lui se compose d'albumines, de lécithines, de phosphatides [...] : lipides phosphorés.

Spanish

Campo(s) temático(s)
  • Elementos nutritivos (Ciencias biológicas)
Save record 2

Record 3 2014-04-02

English

Subject field(s)
  • Chemical Elements and Compounds
  • Plastics Manufacturing
  • Food Industries
DEF

An alcohol with many hydroxyl (-OH) radicals, such as glycerol ...

French

Domaine(s)
  • Éléments et composés chimiques
  • Plasturgie
  • Industrie de l'alimentation
DEF

Substance obtenue par la réduction de sucres simples ou complexes, dont la fonction aldéhyde ou cétone se trouve ainsi remplacé par un groupement hydroxyle.

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
  • Fabricación de plásticos
  • Industria alimentaria
DEF

Alcohol que tiene muchos grupos hidróxilos.

CONT

Los polioles, también llamados polialcoholes o alcoholes polihídricos, son unos compuestos cuya estructura química se parece en parte a la de los azúcares y en parte a la de los alcoholes. Los polioles más utilizados en alimentación son el sorbitol, manitol, maltitol, xilitol, lactitol, isomaltosa, eritritol, y los almidones hidrolizados hidrogenados.

OBS

En el campo de los plásticos celulares el término poliol incluye compuestos que contienen grupos hidróxilos alcohólicos como poliéteres, glicoles, poliésteres y aceite de castor utilizados en espumas de uretano.

Save record 3

Record 4 2008-02-19

English

Subject field(s)
  • Medication
DEF

[A tablet] covered with one or more layers of a mixture of various substances such as natural or synthetic resins, gums, inactive and insoluble filler, sugar, plasticizer, polyhydric alcohol, waxes, authorized colouring material and sometimes flavoring material.

French

Domaine(s)
  • Médicaments
CONT

Comprimés enrobés. Les comprimés de cette catégorie ont leur surface recouverte d'une ou plusieurs couches de mélanges de substances diverses telles que : résines naturelles ou synthétiques, gommes, charges insolubles inactives, sucres, substances plastifiantes, polyols, cires, matières colorantes autorisées ...

Spanish

Campo(s) temático(s)
  • Medicamentos
Save record 4

Record 5 2001-01-10

English

Subject field(s)
  • Food Additives
  • Sugar Industry
  • Chemical Elements and Compounds
DEF

Any of the acyclic linear polyhydric alcohols; may be considered sugars in which the aldehydic group of the first carbon atom is reduced to a primary alcohol; classified according to the number of hydroxyl groups in the molecule; sorbitol(D-glucitol, sorbite) is one of the most widespread of all the naturally occurring sugar alcohols.

CONT

As a group, the sugar alcohols are crystalline substances, having low specific rotations, and ranging in taste from faintly sweet to very sweet. Their distribution in nature is limited exclusively to plants.

CONT

There are two major categories of sugar substitutes. One is sugar alcohols. The other is artificial sweeteners. Sugar alcohols ... supply as much, if not more, caloric energy than regular sugar. Artificial sweeteners provide virtually no caloric energy. ... There are four sugar alcohols currently available in the US: mannitol, sorbitol, xylitol, and maltitol.

French

Domaine(s)
  • Additifs alimentaires
  • Sucrerie (Industrie de l'alimentation)
  • Éléments et composés chimiques
DEF

Nom générique des polyalcools obtenus par hydrogénation des oses.

CONT

Le xylitol, alcool de sucre naturel non fermenté par les streptocoques oraux, s'est révélé être un sucre de substitution efficace contre la carie [...] Il est souvent utilisé dans les gommes à mâcher «sucrées sans sucre».

OBS

D'après QUENC 1969, vol. 4, p. 3554 et DCHIM 1978, p. 605, le terme «ite» est masculin, alors que d'après LGRAN 1970, vol. 6, p. 285, il est féminin.

OBS

Le sorbitol, un polyol hexavalent [...] peut s'obtenir par hydrogénation du glucose. [...] À l'état naturel, le sorbitol est contenu dans les fruits de nombreuses Rosacées et dans certaines Algues.

Spanish

Campo(s) temático(s)
  • Aditivos alimentarios
  • Industria azucarera
  • Elementos y compuestos químicos
Save record 5

Record 6 2000-11-29

English

Subject field(s)
  • Chemical Elements and Compounds

French

Domaine(s)
  • Éléments et composés chimiques

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
Save record 6

Record 7 1999-11-03

English

Subject field(s)
  • Chemical Elements and Compounds
OBS

Polyol : See "polyhydric alcohol".

OBS

Polyhydric alcohol : An alcohol with many hydroxyl(OH) radicals...

OBS

Esters are derived from acids by the exchange of the replaceable hydrogen of the latter for an organic radical. The usual reaction is that of an acid with an alcohol or other organic compound rich in OH groups.

French

Domaine(s)
  • Éléments et composés chimiques
OBS

Estérification : Transformation sous l'action d'un acide d'un alcool ou d'un phénol en éther-sel ou ester.

OBS

Polyol : Synonyme de «polyalcool».

OBS

Polyalcool : Corps possédant plusieurs fonctions alcool.

OBS

La fonction alcool est caractérisée en chimie organique par le groupe fonctionnel hydroxyle OH [...]

Spanish

Save record 7

Record 8 1991-05-08

English

Subject field(s)
  • Chemical Elements and Compounds

French

Domaine(s)
  • Éléments et composés chimiques

Spanish

Save record 8

Record 9 1986-09-25

English

Subject field(s)
  • Chemistry

French

Domaine(s)
  • Chimie

Spanish

Save record 9

Record 10 1976-06-19

English

Subject field(s)
  • Chemical Elements and Compounds

French

Domaine(s)
  • Éléments et composés chimiques

Spanish

Save record 10

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