摘要:
A process for preparing thixotropic agents comprising from 0.1 to 30% by weight of at least one ethylene terpolymer wax, from 5 to 70% by weight of at least one first solvent incompatible with the ethylene terpolymer wax, and from 5 to 85% by weight of at least one solvent compatible with the ethylene terpolymer wax and with said first solvent(s).
摘要:
The invention relates to a method for producing thixotropic agents containing 0.1–30 wt.-% of at least one ethylene terpolymer wax, 5–7 wt.-% of at least one solvent, which is incompatible with the ethylene terpolymer wax, 5–85 wt.-% of of at least one solvent which is compatible with the ethylene terpolymer wax and with one or more of the first-named solvents.
摘要:
An ethylene terpolymer wax comprising from 40 to 95% by weight of units of ethylene, from 0.1 to 40% by weight of units of at least one anhydride of a C4-C10-dicarboxylic acid having at least one ethylenic C—C double bond, and from 0.1 to 40% by weight of units of at least one ester of the formula I where R1 is selected from hydrogen, C1-C10-alkyl, C3-C12-cycloalkyl or C6-C14-aryl and R2 is selected from C1-C10-alkyl, C3-C12-cycloalkyl or C6-C14-aryl, having a molecular weight Mw of up to 20000 g/mol.
摘要:
Emulsifiable ethylene polymers comprising copolymers of from 90 to 95% by weight of ethylene, from 4 to 10% by weight of one or more C3-C12 alkenecarboxylic acids, and from 0 to 1.2% by weight of one or more tertiary esters of the corresponding C3-C12 alkenecarboxylic acids, where the wax has a cinematic melt viscosity of from 800 to 3000 mm2/s, measured at 120° C.; and a process for preparing the novel emulsifiable ethylene polymers, emulsions comprising the novel ethylene polymers, a process for preparing the emulsions from the novel ethylene polymers, and also floor cleaners, car cleaners, leather cleaners and stone cleaners, and coatings for surfaces made from wood, metal, paper, glass or from plastics, comprising aqueous emulsions of the novel emulsifable waxes.
摘要:
Use of aqueous dispersions comprising at least one at least partially neutralized ethylene copolymer wax selected from among ethylene copolymer waxes which comprise, as comonomers in copolymerized form, (A) from 26.1 to 39% by weight of at least one ethylenically unsaturated carboxylic acid and (B) from 61 to 73.9% by weight of ethylene, and ethylene copolymer waxes which comprise, in copolymerized form, (A′) from 20.5 to 38.9% by weight of at least one ethylenically unsaturated carboxylic acid, (B′) from 60 to 79.4% by weight of ethylene and (C′) from 0.1 to 15% by weight of at least one ethylenically unsaturated carboxylic ester, as auxiliaries for wastewater treatment.
摘要:
An ethylene terpolymer wax comprising, as monomer building blocks, from 35 to 95% by weight of ethylene, from 0.1 to 40% by weight of at least one ester of the formula I where R1 is selected from hydrogen, C1-C10-alkyl, C3-C12-cycloalkyl and C6-C14-aryl R2 are identical or different and are selected from hydrogen and C1-C10-alkyl, R3 is selected from C1-C10-alkyl, C3-C12-cycloalkyl and C6-C14-aryl and n is an integer from 2 to 100, and from 0.1 to 25% by weight of at least one carboxylic acid of the formula II where R4 is selected from hydrogen, C1-C10-alkyl, C3-C12-cycloalkyl and C6-C14-aryl.
摘要:
Composite materials comprising at least one natural fiber, at least one thermoplastic polymer, and at least one random copolymer having a molar mass Mn of up to 20,000 g/mol. The random copolymer is produced from the copolymerization of ethylene and at least one comonomer. The comonomer is selected from the group consisting of ethylenically unsaturated C3-C10 monocarboxylic acids; ethylenically unsaturated C4-C10 dicarboxylic acids or their anhydrides; epoxy esters of ethylenically unsaturated C3-C10 monocarboxylic acids, and (b4) comonomers of the general formula I: wherein R1 and R2 are a hydrogen or an unbranched or branched C1-C10-alkyl; R3 is identical or different and is a hydrogen, unbranched and branched C1-C10-alkyl or C3-C12-cycloalkyl, where two radicals R3 may be bonded together to form a 3-10-membered ring; X is an oxygen, sulfur or N—R4; R4 is an unbranched or branched C1-C10-alkyl; and A1 is a divalent group selected from C1-C10-alkylene, C4-C10-cycyloalkylene, and phenylene.
摘要:
Copolymers comprising as comonomers in copolymerized form:(a) ethylene,(b) one or more compounds of the general formula I (c) if appropriate, one or more alkenylphosphonic diesters,(d) if appropriate, one or more other free-radically copolymerizable comonomers,whose variables are defined as follows:R1 is selected from hydrogen and unbranched and branched C1-C10-alkyl,R2 is selected from hydrogen and unbranched and branched C1-C10-alkyl,R3 is selected from hydrogen, phenyl, benzyl, and unbranched and branched C1-C10-alkyl and unbranched and branched hydroxy-C2-C10-alkyl,as free acid or partially or completely neutralized with alkali metal, alkaline earth metal, ammonia or organic amine.
摘要:
Peelable polymeric protective films on surfaces, in particular on metallic surfaces, which exhibit an oxygen gradient, and a process for producing such protective films. The films are particularly suitable for providing surfaces with temporary protection.