摘要:
La présente demande concerne un polymère hydrocarboné de formule (I) :
où F 1 et F 2 sont de formules respectives ou bien (IIa) et (IIb) ou bien (II'a) et (II'b) :
dans lesquelles : - g1 et d1 sont égaux à 0, 1, 2 ou 3 ; g2 et d2 sont égaux à 1, 2 ou 3 ; - A est un C1-C9 alkylène ; Z est tel que -A-Z- est -A-C(=O)O- et-Z-A- est - OC(=O)-A- ou bien -A-Z- est -A-OC(=O)- et -Z-A- est-C(=O)O-A- ; - R 1 à R 12 sont H ou un C1-C14 alkyle ; R 13 est O ou -CH 2 - ; x égale 1 et y égale 1 ; - n1 et n2 sont un nombre entier ou nul ; m est un nombre entier ou nul ; p1 et p2 sont un nombre entier ou nul de somme non nulle ; n1, n2, m, p1 et p2 étant tels que la masse moléculaire dudit polymère va de 400 à 100 000 g/mol. En outre, la présente demande divulgue un procédé de préparation dudit polymère par polymérisation par ouverture de cycle par métathèse et son utilisation comme adhésif en mélange avec un composé aminé comprenant au moins 2 groupements amine.
摘要:
The invention relates to a method for preparing a hydrocarbon polymer comprising a 2-oxo-1,3-dioxolan-4-yl end group, by opening the cycle by metathesis in the presence of a metathesis catalyst, a vinyl ethylene carbonate chain transfer agent, and a compound including at least one C 6 -C 16 cycle having a double carbon-carbon bond. The invention also relates to a hydrocarbon polymer that can be obtained by said method. The invention further relates to the use of said polymer as an adhesion promoter or reactive plasticiser in an adhesive composition.
摘要:
The invention relates to 1) a hydrocarbonated polymer comprising two alcoxysilane end groups of formula (1), and 2) a method for producing said polymer, an adhesive composition comprising said polymer and the use of said adhesive composition.
摘要:
An alkoxysilane-terminated hydrocarbon polymer of formula (1): Formula (1) in which: - is a double or single bond; - Each of R2, R3, R4 and R5 is H, a halogen, an alcoxycarbonyl or an alkyl, - m and p are each from 0 to 5, - each of R and R' is an alkyl, - Z is an alkylene, interrupted or not by COO, - q is 0 or 1, - r is 0, 1 or 2, and - n is an integer such that the number average molecular weight Mn of the polymer is from 400 to 50,000 g/mol, and the polymolecularity (PDI) of same is from 1.0 to 2.0. Preparation by polymerisation by ring-opening metathesis for 2 hours to 24 hours. Adhesive composition comprising the polymer (1) and crosslinking catalyst. Bonding by assembling two substrates using this adhesive composition.
摘要:
The invention relates to a polymer having formula (I), wherein: P is a divalent polymer radical, on the condition that P is different from a polyoxypropylene radical; m is a number between 1 and 6; B is a monovalent, divalent, trivalent, tetravalent, pentavalent or hexavalent radical, said radical comprising generally between 1 and 44 carbon atoms per molecule; the divalent polymer radical P being such that the number-average molar mass Mn of the polymer of formula (I) is within a range of 400 to 8000 g/mol and such that the polymolecularity (Pd) of the polymer of formula (I) is within a range from 1.0 to 4.0. The invention relates to a method for the production of the polymer having formula (I). The invention also relates to a method for the production of polyurethanes, comprising the reaction of a polymer having formula (I) with a compound containing an amino group, as well as polyurethanes that can be obtained in this manner.