公开(公告)号：DE2207910A1

公开(公告)日：1973-08-23

申请号：DE2207910

申请日：1972-02-19

Applicant: BASF AG

Inventor： DIEFENBACH HORST DR ,  MARX MATTHIAS DR ,  BRUSSMANN OTTO DR

IPC: C08F283/10 ,  C09D5/46 ,  C09D3/48

Abstract: Process for prepg. coating by heating at 130-200 degrees C an (e.g. electrostatically) applied powder coating comprising a copolymer formed from (in wt.%) (1) 15-80 meth(acrylic)esters of 1-8C alkanols; (2) 10-80 alkenylbenzenes of 8-10C (3) 5-40 ethers of unsatd carboxylic N-methylolamides the acid residue contg 3-5C and the ether gp 1-8C (4) 0-20 glycol mono-acrylate or methacrylate (5) 0-20 3-5C enoic acid (6) 0-20 other monoolefins. (1)-(6) are bulk, suspension or emulsion copolymerised using an initiator a water-dilutable protective colloid and 1-25% epoxide resin and opt. other additives. Powder produced requires milder curing conditions, is insensitive to impurities, gives high gloss finish, and has high resistance to solvents and abrasion.

公开(公告)号：DE2200342A1

公开(公告)日：1973-07-12

申请号：DE2200342

申请日：1972-01-05

Applicant: BASF AG

Inventor： HARTMANN HEINRICH DR ,  DIEFENBACH HORST DR ,  MARX MATTHIAS DR ,  QUESADA FRANCISCO DR ,  SPOOR HERBERT DR

IPC: B05D7/24 ,  C08G18/62 ,  C08G18/80 ,  C08L75/04 ,  C09D5/46 ,  C09D133/06 ,  C09D175/00 ,  C09D3/48

公开(公告)号：DE2140843A1

公开(公告)日：1973-02-22

申请号：DE2140843

申请日：1971-08-14

Applicant: BASF AG

Inventor： STORCK GERHARD DR ,  DIEFENBACH HORST DR ,  MARX MATTHIAS DR ,  NAGEL OTTO DR ,  KUERTEN HERIBERT DR ,  WEINLE WERNER

IPC: C08J3/12 ,  C09B63/00 ,  C09B67/00 ,  C09B67/06 ,  C09D5/03

Abstract: Production of pigmented resin powders by finely dispersing dispersions of pigments in solutions of polymeric materials in at least one organic solvent in water containing a protective colloid while supplying mixing energy, and removing the solvent. A preferred method is to introduce one or more jets of water containing protective colloid at the rate of 5 to 100 m/sec into animpulse exchange chamber together with the dispersion issuing in the immediate vicinity of the orifice(s), and to remove the solvent. The method avoids crosslinking and provides pigmented resin powders of consistently reproducible color which are suitable for conventional powdered-resin coating methods.

公开(公告)号：DE2203327A1

公开(公告)日：1973-08-02

申请号：DE2203327

申请日：1972-01-25

Applicant: BASF AG

Inventor： DIEFENBACH HORST DR ,  MARX MATTHIAS DR ,  SPOOR HERBERT DR

IPC: C08L61/20 ,  C09D5/46 ,  C09D133/06 ,  C09D161/20 ,  C09D3/48

Abstract: The binder comprises (A) a (meth)acrylate of (a) 10-90 wt.% >=1 acrylte of a 1-20C alcohol (b) 90-10 wt.% >=1 methacrylate with 1-6C alcohols and/or vinyl aromatics and (C) 2-50 wt.% olefinically unsatd. monomer (not (a) or (b)) (a) + (b) being 100%, (B) a condensate of melamine, benzoguanamine and/or urea and formaldehyde and (B) a binder of softening pt. 60-120 degrees C melt viscosity (at 120 degrees C) 300-10000P its viscosity not reaching >10000P after 3 mins. at 120 degrees C. The powder coatings produced from this binder are used for metal parts e.G. steel and have low firing temps. high gloss and elasticity. The amt. of (A) is 50-96 wt.% of (B) 4-50 wt.% and of (C) =15 wt.%.

公开(公告)号：DE2200634A1

公开(公告)日：1973-07-19

申请号：DE2200634

申请日：1972-01-07

Applicant: BASF AG

Inventor： DIEFENBACH HORST DR ,  HARTMANN HEINRICH DR ,  MARX MATTHIAS DR ,  SPOOR HERBERT DR ,  QUESADA FRANCISCO DR

IPC: C08G18/62 ,  C08L63/00 ,  C08L75/04 ,  C09D5/46 ,  C09D125/02 ,  C09D133/06 ,  C09D175/04 ,  C09D3/48

Abstract: In the prepn. of coatings by application of a powdery coating agent on to a substrate and heating to 120-200 degrees C. The coating agent is a mixt. of mashed polyisocyanates and copolymers and contains additionally 0.5-30, pref. 3-25wt.% of >=1 epoxide resins. The coatings have improved elasticity, resistance to chemicals and pigment dispersibility.

公开(公告)号：DE2150684A1

公开(公告)日：1973-04-19

申请号：DE2150684

申请日：1971-10-12

Applicant: BASF AG

Inventor： MARX MATTHIAS DR ,  DIEFENBACH HORST DR ,  KLOCKE HANS-JOACHIM DR ,  STOCKBURGER DIETER DR

IPC: C08J3/16 ,  C09D5/46 ,  C09D3/48

Abstract: Dispersions comprising (a) a liquid hydrocarbon or hydrocarbon mixture and opt. up to 30%, calc. on (a) of at least one one other organic solvent, (b) at least one polymer dissolved in (a), (c) a finely divided polymer and/or polycondensate of particle diameter up to 90 mu and a melt viscosity at 120 degrees C of 300-10000 poise, practically insol. in (b) and in (a) and opt. (d) the usual finely divided dyestuffs, pigments and/or fillers, agents aiding flow and/or pigments, are freed from (a) at temps. below the softening pt. of (c), in the presence of kinetic energy.

公开(公告)号：DE2164254A1

公开(公告)日：1973-06-28

申请号：DE2164254

申请日：1971-12-23

Applicant: BASF AG

Inventor： SPOOR HERBERT DR ,  MARX MATTHIAS DR ,  DIEFENBACH HORST DR

IPC: B05D3/06 ,  B44D1/094

Abstract: A polymeric binder with softening point 60-160 degrees C and contg. polymerisable olefinic double bonds is used in a powder coating compsn. in conjunction with low mol. olefinically unsatd. cpds. and opt. usual additives, e.g. pigments, fillers etc. The powder is applied to the substrate in a thickness of 25-600 mu by one of the usual methods, fused by heating to 120-240 degrees C and cured using an electron beam. This compsn. gives improved flow, hence a more uniform surface, and coatings with very good mechanical props. The polymeric binder pref. has ave. mol.wt. 1000-50000.

公开(公告)号：DE2242456A1

公开(公告)日：1974-03-21

申请号：DE2242456

申请日：1972-08-29

Applicant: BASF AG

Inventor： DIEFENBACH HORST DR ,  MIKSOVSKY FELIX DR ,  BRUSSMANN OTTO DR ,  FIKENTSCHER ROLF DR

IPC: C08K5/00 ,  C08G63/91 ,  C08K5/16 ,  C08L33/00 ,  C08L33/02 ,  C08L61/24 ,  C08L67/00 ,  C09D5/03 ,  C09D5/46 ,  C09D125/14 ,  C09D133/06 ,  C09D5/00

Abstract: A pulverulent coating agent which consists of a mixture of:

公开(公告)号：DE2227167A1

公开(公告)日：1973-12-20

申请号：DE2227167

申请日：1972-06-03

Applicant: BASF AG

Inventor： DIEFENBACH HORST DR ,  MARX MATTHIAS DR ,  PETERS CLEMENS K DR

IPC: C09D5/46 ,  C09D133/06 ,  C09D3/48

Abstract: The material contains acrylate resin binder (A), a curing agent (B), an OH-contg. cpd. (C) and usual additives (D). (A) has a softening pt. of 60-120 degrees C and comprises (a) 30-100wt.% >=1 ester of an olefinically unsatd. 3-5C mono/di-carboxylic acid monomer, (b) 0-70 wt.% of a vinylaromatic (c) 0-40 wt.% >=1 monoester of polyhydric 2-10C (oxa)alcohol and an olefinically unsatd. 3-5C mono/di-carboxylic acid comonomer and (d) 0-40 wt.% olefinically unsatd. 3-5C mono/di-carboxylic acid comonomer. (B) is an acidic cpd. and/or >=1 transesterification catalyst and (C) is >=1 di/polyol (solid at r.t.) and/or >=2 free OH/molecule contg. polymer.

公开(公告)号：DE2227078A1

公开(公告)日：1973-12-13

申请号：DE2227078

申请日：1972-06-03

Applicant: BASF AG

Inventor： DIEFENBACH HORST DR ,  ZETTLER HANS-DIETER DIPL ING ,  ARMSTROFF OTTOMAR DIPL ING DR ,  SPOOR HERBERT DR ,  NAGEL OTTO DR ,  MARX MATTHIAS DR

IPC: C09D5/46 ,  C09D7/80 ,  C09D7/14

Abstract: Title compsns. are prepd. from a mixt. of is not 1 binder, with softening temp. 50-120 degrees C and melt viscosity at 120 degrees C of 300-10,000 (300-5000) poises, pigment and possibly other usual additives in is not 1 org. solvent, by dispersing the pigment with the other components in self-cleaning endless-screw machines, at the same time freeing the mixt. from the org. solvent, and finally cooling, powdering and possibly sieving in the usual way. Separate grinding of the pigment is not needed. Premature cross-linking, or degradation, of the binder are avoided. High-gloss lacquers with good mech. props. are obtd. The coatings can be stoved at lower temps.