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    • 4. 发明申请
    • NEW STERICALLY HINDERED POLYMERIC AMINES AND THEIR USE AS POLYMER STABILIZERS
    • 新型异质聚合物及其作为聚合物稳定剂的用途
    • WO2012055965A1
    • 2012-05-03
    • PCT/EP2011/068867
    • 2011-10-27
    • 3V SIGMA S.P.A.MAESTRI, FrancescoDEL SORDO, SimoneBERTE', Ferruccio
    • MAESTRI, FrancescoDEL SORDO, SimoneBERTE', Ferruccio
    • C07D401/14C08K5/3492C09K15/30
    • C08K5/3492C07D401/14C07D413/14C08K5/34926C09K15/30
    • 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 R 1 , which are the same or different, are selected in the group consisting of hydrogen, linear and branched C 1 -C 12 alkyl groups, alkenyl groups having 3 to 8 carbon atoms and aralkyl groups having 7 to 19 carbon atoms; X and X 1 , which are the same or different, are selected in the group consisting of oxygen and groups of formula (II) wherein R 2 is selected in the group consisting of hydrogen, linear and branched C 1 -C 12 alkyl groups, cycloalkyl groups having 5 to 12 carbon atoms and aralkyl groups having 7 to 12 carbon atoms; A represents a –(CH 2 ) 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 C 1 -C 18 alkyl groups, groups of formula (III) wherein n, X, X 1 , R and R 1 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 R 3 and R 4 , which may be the same or different, represent hydrogen, a linear and branched C 1 -C 18 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.
    • 本发明涉及能够赋予聚合物材料,特别是赋予聚烯烃,对光降解和空气氧化作用的高稳定性的聚合型聚哌啶化合物,属于HALS类别,并具有通式(I):其中p 从3到20; n为2至12; R和R 1相同或不同,选自氢,直链和支链C 1 -C 12烷基,具有3至8个碳原子的烯基和具有7至19个碳原子的芳烷基; X和X 1相同或不同,选自氧和式(II)基团,其中R 2选自氢,直链和支链C 1 -C 12烷基,环烷基具有5 至12个碳原子和具有7至12个碳原子的芳烷基; A表示 - (CH 2)a - 基团,其中a为2至12,条件是a不同于n; Z选自C 1 -C 18烷基,其中n,X,X 1,R和R 1如上所定义的式(III)基团和式(Ⅳ)基团,其中R如上所定义; Y表示选自通式(Ⅴ)基团O-R4和S-R4的取代基,其中R3和R4可以相同或不同,表示氢,直链和支链C1- C18烷基,碳原子数5〜12的环烷酰基,碳原子数7〜12的芳烷基,碳原子数6〜12的芳基,可以与它们所连结的氮原子一起形成杂环 含有5至7个碳原子; 和其中R和X如上所定义的哌啶基(Ⅵ)。 本发明还涉及本发明化合物的制备方法。