[EN] NEW STERICALLY HINDERED POLYMERIC AMINES AND THEIR USE AS POLYMER STABILIZERS<br/>[FR] NOUVELLES AMINES POLYMÈRES ENCOMBRÉES ET LEUR UTILISATION COMME STABILISATEURS DE POLYMÈRES
申请人:3V SIGMA SPA
公开号:WO2012055965A1
公开(公告)日:2012-05-03
The present invention relates to polypiperidine compounds of polymeric type which are capable of conferring to the polymeric materials, particularly to polyolefins, a high stability against photodegradation and oxidative action of air, belong to the HALS category and have general formula (I): wherein p is from 3 to 20; n is from 2 to 12; R and R1, which are the same or different, are selected in the group consisting of hydrogen, linear and branched C1-C12 alkyl groups, alkenyl groups having 3 to 8 carbon atoms and aralkyl groups having 7 to 19 carbon atoms; X and X1, which are the same or different, are selected in the group consisting of oxygen and groups of formula (II) wherein R2 is selected in the group consisting of hydrogen, linear and branched C1-C12 alkyl groups, cycloalkyl groups having 5 to 12 carbon atoms and aralkyl groups having 7 to 12 carbon atoms; A represents a –(CH2)a– group wherein a is from 2 to 12, with the proviso that a is different from n; Z is selected in the group consisting of C1-C18 alkyl groups, groups of formula (III) wherein n, X, X1, R and R1 are as above defined, and groups of formula (IV) wherein R is as above defined; Y represents a substituent selected in the group consisting of the groups of general formula (V) the groups O-R4 and S-R4, wherein R3 and R4, which may be the same or different, represent hydrogen, a linear and branched C1-C18 alkyl group, a cycloakyl group having 5 to 12 carbon atoms, an aralkyl group having 7 to 12 carbon atoms, an aryl group having 6 to 12 carbon atoms or may form, together with the nitrogen atom to which they are linked, a heterocycle containing 5 to 7 carbon atoms; and the piperidine group (VI) wherein R and X are as above defined. The invention further relates to the processes for preparation of the compounds according to the invention.
本发明涉及聚合型多吡咯烷化合物,能够赋予聚合材料,特别是聚烯烃,高稳定性,抵抗光降解和空气氧化作用,属于HALS类,并具有通式(I):其中p为3到20;n为2到12;R和R1相同或不同,选择在氢、线性和支链C1-C12烷基、具有3到8个碳原子的烯基基团和具有7到19个碳原子的芳基烷基中;X和X1相同或不同,选择在氧和式(II)中的基团,其中R2选择在氢、线性和支链C1-C12烷基、具有5到12个碳原子的环烷基和具有7到12个碳原子的芳基烷基中;A代表-(CH2)a-基团,其中a为2到12,但a与n不同;Z选择在C1-C18烷基、式(III)中的基团,其中n、X、X1、R和R1如上所述,以及式(IV)中的基团,其中R如上所述;Y代表在通式(V)的基团、O-R4和S-R4的基团中选择,其中R3和R4相同或不同,表示氢、线性和支链C1-C18烷基、具有5到12个碳原子的环烷基、具有7到12个碳原子的芳基烷基、具有6到12个碳原子的芳基基团,或者与它们连接的氮原子一起形成含有5到7个碳原子的杂环;以及哌啶基(VI),其中R和X如上所述。本发明还涉及根据本发明制备化合物的方法。