Title:
パラフィン分散剤として好適な変性コポリマー、その製造及びこれを含有する石油中間留分
Document Type and Number:
Japanese Patent JPH09510487
Kind Code:
A
Abstract:
PCT No. PCT/EP95/00907 Sec. 371 Date Dec. 2, 1996 Sec. 102(e) Date Dec. 2, 1996 PCT Filed Mar. 11, 1995 PCT Pub. No. WO95/25756 PCT Pub. Date Sep. 28, 1995Modified copolymers which are suitable as paraffin dispersants and are obtainable by reacting a copolymer of an ethylenically unsaturated dicarboxylic acid and/or a dicarboxylic acid derivative and a diketene of the general formula I I where R1 and R2, independently of one another, are each hydrogen or C1-C30-alkyl, with an amine of the general formula II II where m may be from 0 to 100, n from 0 to 5 and x from 0 to 5, R3, R4 and R5, independently of one another, are each hydrogen or C1-C5-alkyl and A is NR6R7 or C2-C30-alkoxy, and at least one of the substituents R6 or R7 is not hydrogen and is C1-C30-alkyl or alkenyl or a polyether radical where R8 and R9 are each hydrogen or C1-C5-alkyl and p is from 1 to 100, with the proviso that, when n is 0, A is NR6R7, their preparation and use, and mineral oil middle distillates which contain these modified copolymers.
Inventors:
ガブリエレ ドラレ−フォス
クヌート オッペンレンダー
ディーター ファウル
ハインリッヒ ハルトマン
ベルント ヴェンデロート
ヨアヒム ローザー
クヌート オッペンレンダー
ディーター ファウル
ハインリッヒ ハルトマン
ベルント ヴェンデロート
ヨアヒム ローザー
Application Number:
JP52434395A
Publication Date:
October 21, 1997
Filing Date:
March 11, 1995
Export Citation:
Assignee:
ビーエーエスエフ アクチェンゲゼルシャフト
International Classes:
C08F8/30; C08F8/32; C09K23/52; C10L1/14; C10L1/234; C10L1/22; C10L1/236; C10L1/238; C10L10/14; C10L10/18; C10M145/00; C10M149/02; C10L1/16; C10L1/18; C10N30/04; (IPC1-7): C08F8/32; C10L1/22; C10M145/00; C10M149/02
Attorney, Agent or Firm:
矢野 敏雄 （外３名）