Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1998-06-26
2000-08-29
Hampton-Hightower, P.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528220, 528229, 528312, 528313, 528322, 528332, 528336, 528337, 524800, 524801, 524802, 524813, 524817, 524818, 2523635, C08G 6900, C08G 6300, B01F 300, C09D 502
Patent
active
06111054&
ABSTRACT:
The present invention relates to a dispersing agent for pigments or extenders which is obtainable by salt formation from an amine-functional compound by means of an acid,
wherein a polyamine which contains at least three amino groups and which is from the group comprising aliphatic linear polyamines and/or aliphatic branched polyamines and/or modified polyamines, with the proviso that after modification three amino groups which can be converted into salts are still present per molecule, or a mixture of polyamines such as these, is used as the amine-functional compound, and
wherein a substance from the group comprising phosphoric acid esters of general formula: (HO).sub.3-n PO(OR.sup.1).sub.n where n=1 or 2, sulphonic acids of general formula HOSO.sub.2 R.sup.2 and acidic sulphuric acid esters of general formula HOSO.sub.3 R.sup.2 is used as the acid, wherein R.sup.1 and R.sup.2 represent an alkyl, aryl or aralkyl radical containing at least 5 C atoms and/or a radical of an oxyalkylated alcohol with a number average molecular weight between 100 and 5000 g/mole and/or a radical containing at least one carboxylic acid ester group and/or a urethane group with a number average molecular weight between 100 and 5000 g/mole, or a mixture of substances such as these, wherein R.sup.1 and R.sup.2 can be the same or different.
The invention also relates to the use of the dispersing agent and to a method of producing it.
REFERENCES:
patent: 3298912 (1967-01-01), Scherr
patent: 3980602 (1976-09-01), Jakubauskas
patent: 5143952 (1992-09-01), Saheki et al.
Haubennestel Karlheinz
Krappe Udo
Orth Ulrich
Pritschins Wolfgang
BYK-Chemie GmbH
Hampton-Hightower P.
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