公开(公告)号：DE59500789D1

公开(公告)日：1997-11-20

申请号：DE59500789

申请日：1995-05-05

Applicant: BASF AG

Inventor： HENN ROLF DR ,  HAHN KLAUS DR ,  DECKERS ANDREAS DR ,  LOTH WOLFGANG DR ,  BLUMENSTEIN UWE DR ,  SCHWABEN HANS-DIETER DR ,  KLEMENT ERICH

IPC: C08J9/16 ,  C08J9/18 ,  C08L7/00 ,  C08L25/02 ,  C08L25/04 ,  C08L53/00

Abstract: Expandable styrene polymers (I) for elastic polystyrene (PS) foam contain: (a) 50-90 wt.% PS and/or styrene copolymer contg. at least 50% styrene; (b) 5-30 wt.% styrene-soluble elastomer(s), (c) 5-20 wt.% styrene-contg. block copolymer(s); (d) 1-15 wt.% (w.r.t. a+b+c) low-boiling blowing agent(s), and opt. (e) conventional additives. In the unfoamed bead polymer, component (b) is present in the form of cellular particles and (c) is in the form of particles with a mean size of 0.2-2 microns in the PS phase. Also claimed are: (1) processes for the prodn. of (I) (see below); (2) elastic PS foam with a density of 15-70 g/l, contg. (a), (b), (c) and (e) in amts. as above; and (3) a process for the prodn. of elastic PS foam by heating (I) at a temp. above the softening pt. in a non-gastight mould so as to expand the particles and weld them together. Pref. (b) are styrene-soluble elastomers with a Tg of below 20 degrees C, pref. polybutadiene. (c) are styrene-butadiene (SB) block copolymers with a styrene content of at least 20 wt.%, pref. S-B diblock copolymers or S-B-S triblock copolymers or mixts. thereof.

公开(公告)号：ES2105809T3

公开(公告)日：1997-10-16

申请号：ES95106772

申请日：1995-05-05

Applicant: BASF AG

Inventor： HENN ROLF DR ,  HAHN KLAUS DR ,  DECKERS ANDREAS DR ,  MCKEE GRAHAM EDMUND DR ,  TATZEL HERMANN ,  DRUMM RUDOLF DR

IPC: C08J9/18 ,  C08J9/16 ,  C08J9/232 ,  C08L25/02 ,  C08L25/04 ,  C08L51/00 ,  C08L51/04 ,  C08L51/06

Abstract: Expandable styrene polymers (I) for elastic polystyrene (PS) foam contain: (a) 75-99 wt.% PS and/or styrene copolymer contg. at least 50 wt.% styrene; (b) 0-24 wt.% styrene-soluble elastomer(s); (c) 1-25 wt.% core-shell type graft copolymer(s); (d) 1-15 wt.% (w.r.t. a+b+c) low-boiling blowing agent(s), and opt. (e) conventional additives. Also claimed are processes for the prodn. of (I) (see below). Also claimed is elastic PS foam contg. (a), (b), (c) and (e) in amts. as above. Also claimed is a process for the prodn. of PS foam by heating (I) at a temp. above the softening pt. so as to expand the particles and weld them together in a non-gastight mould. Pref. component (b) is polybutadiene, polyisobutylene or ethylene-propylene rubber, pref. polybutadiene. (c) is a core-shell graft copolymer, pref. with a core of a polymer with a Tg of 20 to -60 degrees C and a shell of harder material, in amts. of 40-80 wt.% and 20-60 wt.% respectively. Pref., the core consists of a copolymer of 40-90 wt.% alkyl (meth)acrylate and 10-60 wt.% styrene, and the shell of a copolymer of 80-99 wt.% styrene and 1-20 wt.% alkyl (meth)acrylate.

公开(公告)号：DE19607744A1

公开(公告)日：1997-09-04

申请号：DE19607744

申请日：1996-02-29

Applicant: BASF AG

Inventor： DECKERS ANDREAS DR ,  WENDEROTH BERND DR ,  RUEHL THOMAS DR ,  MUELLER HANS-JOACHIM DR ,  KLIMESCH ROGER DR

IPC: C08F4/38 ,  C08F210/02 ,  C10L1/18 ,  C10L1/197

Abstract: A copolymer (I) based on ethylene and vinyl formate units is claimed. Also claimed are fuel and motor fuel compositions containing (I).

公开(公告)号：DE59306314D1

公开(公告)日：1997-06-05

申请号：DE59306314

申请日：1993-07-21

Applicant: BASF AG

Inventor： BESECKE SIEGMUND DR ,  DECKERS ANDREAS DR ,  HOFMANN JUERGEN ,  KROEGER HARALD ,  OHLIG HILMAR

IPC: C08F8/32 ,  C08F8/48

Abstract: The preparation of a polymer essentially comprising units of the formula I in which R and R are hydrogen or methyl, and R is C1-C18-alkyl, C5-C12-cycloalkyl, C6-C10-aryl or C6-C10-aryl-C1-C4-alkyl, where these radicals, with the exception of the C1-C18-alkyl radicals, may be up to trisubstituted by radicals selected from the group consisting of C1-C4-alkyl, C1-C4-alkoxy and halogen, by reacting a polymer based on C1-C20-alkyl esters of acrylic acid, methacrylic acid or mixtures thereof with ammonia or a primary amine in an extruder, by vigorously mixing the ammonia or the primary amine with a melt of the polymer to be reacted at a maximum temperature of 250 DEG C before carrying out the imidation, and the use of the polymers prepared by this process for the production of thermoplastic mouldings, films or fibres, and mouldings, films or fibres made from these polymers.

公开(公告)号：ES2096831T3

公开(公告)日：1997-03-16

申请号：ES93116281

申请日：1993-10-08

Applicant: BASF AG

Inventor： FISCHER WOLFGANG DR ,  DECKERS ANDREAS DR ,  GUENTHERBERG NORBERT DR ,  NIESSNER NORBERT DR

IPC: C08F265/04 ,  C08F265/06 ,  C08F279/02 ,  C08L51/00 ,  C08L51/04 ,  C08L101/00

公开(公告)号：DE59303969D1

公开(公告)日：1996-10-31

申请号：DE59303969

申请日：1993-12-16

Applicant: BASF AG

Inventor： DECKERS ANDREAS DR ,  GUENTHERBERG NORBERT DR ,  TIEFENSEE KRISTIN DR

IPC: C08K5/00 ,  C08L25/02 ,  C08L25/12 ,  C08L33/00 ,  C08L33/04 ,  C08L33/06 ,  C08L33/24 ,  C08L35/00 ,  C08L51/00 ,  C08L51/02 ,  C08L51/04 ,  C08L51/06 ,  C08L73/00 ,  C08L79/08

Abstract: Transparent and impact-resistant moulding compounds containing essentially A) 5 to 50% by weight of a polymer obtainable by polymerisation of a C1-C20-alkyl ester of methacrylic or acrylic acid or mixtures of such esters, B) 5 to 50% by weight of a polymer obtainable by polymerisation of a monomer mixture of b1) 75 to 82% by weight of an aromatic vinyl monomer and b2) 18 to 25% by weight of acrylonitrile or methacrylonitrile or a mixture thereof, C) 10 to 40% by weight of a polymer containing c1) 10 to 90% by weight of units of the general formula I where R is hydrogen or C1-C4-alkyl and R is C1-C18-alkyl, C5-C12-cycloalkyl, C6-C10-aryl or C6-C10-aryl-C1-C4- alkyl, which radicals, with the exception of the C1-C4-alkyl groups, can be substituted by up to three radicals selected from the group consisting of C1-C4-alkyl, C1-C4-alkoxy and halogen, c2) 10 to 90% by weight of a C1-C20-alkyl ester of methacrylic or acrylic acid or mixtures of such esters, D) 5 to 60% by weight of a graft copolymer having a weight average particle diameter of less than 200 nm and obtainable by polymerisation of 20 to 70% by weight of a monomer mixture of d1) 30 to 100% by weight of a C1-C20-alkyl ester of methacrylic or acrylic acid or mixtures of such esters and d2) 0 to 70% by weight of an aromatic vinyl monomer in the presence of 30 to 80% by weight of a grafting base obtainable by polymerisation of at least one monomer of the group consisting of butadiene, isoprene, aromatic vinyl monomers and C4-C20-alkyl esters of acrylic acid and E) 0 to 20% by weight of components A) to D), of customary additives, the percentages of components A) to D) adding to 100 and the difference between the refractive index of component D) and that of the mixture of components A), B) and C) and if desired E) being less than 0.01.

公开(公告)号：DE59206999D1

公开(公告)日：1996-10-02

申请号：DE59206999

申请日：1992-12-16

Applicant: BASF AG

Inventor： BESECKE SIEGMUND DR ,  DECKERS ANDREAS DR ,  LAUKE HARALD DR

IPC: C07C67/343 ,  C07C69/734

Abstract: Oxadimethacrylic compounds of the general formula I CH2=C(A)CH2-O-CH2C(B)=CH2 I in which A and B are selected from the group consisting of -COOR , -COR , -CONR R and -CN, with the proviso that A NOTEQUAL B, and R , R and R have the following meaning: R = H, C1-C18-alkyl, C3-C8-cycloalkyl, C3-C8-cycloalkyl-C 1-C5-alkyl, where the cycloalkyl rings can be substituted up to three times by C1-C4-alkyl or C1-C4-alkoxy groups, hydroxy-C1-C5-alkyl, amino-C1-C5-alkyl, N-C1-C4-alkylamino-C1-C5-alkyl, N,N-di-(C1-C4-alkyl)-amino-C1-C5-alkyl, C6-C18-aryl, C6-C18-aryl-C1-C4-alkyl, where the aryl groups can carry up to three of the following groups: halogen, C1-C22-alkyl, C1-C4-alkoxy, carboxyl, C1-C4-alkoxycarbonyl, aminocarbonyl, C1-C4-alkylaminocarbonyl, di(C1-C4-alkyl)aminocarbonyl, nitrilo, nitro, amino, C1-C4-alkylamino, di(C1-C4-alkyl)amino; R and R = H, C1-C18-alkyl, C3-C8-cycloalkyl, C3-C8-cycloalkyl-C1-C5-alkyl, where the cycloalkyl rings can be substituted up to three times by C1-C4-alkyl or C1-C4-alkoxy groups, C6-C18-aryl, C6-C18-aryl-C1-C4-alkyl, where the aryl groups can carry up to three of the following groups: halogen, C1-C22-alkyl, C1-C4-alkoxy, carboxyl, C1-C4-alkoxycarbonyl, aminocarbonyl, C1-C4-alkylaminocarbonyl, di(C1-C4-alkyl)aminocarbonyl, nitrilo, nitro, amino, C1-C4-alkylamino, di(C1-C4-alkyl)amino, and processes for the preparation of the oxadimethylacrylic compounds I and their use for the preparation of polymers.

公开(公告)号：ES2086162T3

公开(公告)日：1996-06-16

申请号：ES93112779

申请日：1993-08-10

Applicant: BASF AG

Inventor： DECKERS ANDREAS DR ,  GUENTHERBERG NORBERT DR

IPC: C08F2/18 ,  C08F20/12

Abstract: Polymers obtainable by suspension polymerisation of from 50 to 100% by weight of at least one compound selected from the group consisting of C1-C18-alkyl esters of acrylic acid and methacrylic acid, and from 0 to 50% by weight of further free-radical-polymerisable monomers, in the presence of a buffer selected from the group consisting of citric acid, alkali metal citrates, alkaline earth metal citrates and ammonium citrates, and a process for the preparation of these polymers, and their use for the production of mouldings.

公开(公告)号：DE59302427D1

公开(公告)日：1996-06-05

申请号：DE59302427

申请日：1993-08-10

Applicant: BASF AG

Inventor： DECKERS ANDREAS DR ,  GUENTHERBERG NORBERT DR

IPC: C08F2/18 ,  C08F20/12

Abstract: Polymers obtainable by suspension polymerisation of from 50 to 100% by weight of at least one compound selected from the group consisting of C1-C18-alkyl esters of acrylic acid and methacrylic acid, and from 0 to 50% by weight of further free-radical-polymerisable monomers, in the presence of a buffer selected from the group consisting of citric acid, alkali metal citrates, alkaline earth metal citrates and ammonium citrates, and a process for the preparation of these polymers, and their use for the production of mouldings.

公开(公告)号：DE59302152D1

公开(公告)日：1996-05-15

申请号：DE59302152

申请日：1993-06-08

Applicant: BASF AG

Inventor： BESECKE SIEGMUND DR ,  DECKERS ANDREAS DR ,  LAUKE HARALD DR

IPC: C08F8/32 ,  C08F8/48 ,  C08F20/52

Abstract: A polymer essentially containing units of the formula I in which R and R are hydrogen or methyl and R is hydrogen, C1-C18-alkyl, C5-C8-cycloalkyl, C6-C10-aryl or C6-C10-aryl-C1-C4-alkyl where these radicals may be up to trisubstituted by radicals selected from the group consisting of C1-C4-alkyl, C1-C4-alkoxy and halogen, obtainable by reacting a polymer based on C1-C20-alkyl esters of methacrylic acid and/or acrylic acid with a primary amine of the formula II R NH2 II in the presence of a compound selected from the group consisting of phosphinic acid and phosphonic acid and the alkali metal, alkaline earth metal and aluminium and ammonium salts thereof, where the ammonium ion may be substituted by up to four C1-C4-alkyl and/or C5-C8-cycloalkyl groups, or mixtures thereof, and a process for the preparation of these polymers, their use for the production of mouldings, and mouldings made from these polymers.