POLY(VINYLIDENE FLUORIDE-CO-HEXAFLUOROPROPYLENE)

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1.What is the POLY(VINYLIDENE FLUORIDE-CO-HEXAFLUOROPROPYLENE) ?

Details of the processes used to produce vinylidene fluoride-hexafluoropropylene copolymers have not been disclosed but the copolymers may be prepared by emulsion polymerization under pressure using a persulphatebisulphite initiator system. Highly fluorinated surfactants, such as ammonium perfluorooctoate, are most commonly used in order to avoid chain transfer reactions. The preferred vinylidene fluoride content for commercial copolymers is about 70% mole. The structure of such a copolymer might be represented as follows:NMR studies confirm that head-to-tail arrangements predominate in the copolymers. It may be noted that under the conditions normally used to prepare commercial copolymers, hexafluoropropylene does not homopolymerize and so the molar proportion of this monomer in a copolymer cannot exceed 50% whatever the composition of the monomer feed.Commercial copolymers typically have an average molecular weight (Mn) of about 70000. Since the copolymers are saturated, they cannot be vulcanized by conventional sulphur systems. However, they may be vulcanized by aliphatic amines and derivatives, aromatic dihydroxylic compounds and peroxides; all of these methods are practised commercially. Free diamines react too quickly, causing premature vulcanization or scorching during mixing. One method of reducing the tendency to scorch is to use diamines in the form of their inner carbamates; hexamethylenediamine carbamate (VIII) and ethylenediamine carbamate (IX) are employed commercially. Alternatively, the Schiff's bases of diamines function as delayed-action vulcanizing agents; examples of compounds of this type are N, N'-dicinnamylidene-l,6-hexanediamine (X) and N, N'-disalicylpropylenediamine (XI).

2.What is the CAS number for POLY(VINYLIDENE FLUORIDE-CO-HEXAFLUOROPROPYLENE) ?

The CAS number of POLY(VINYLIDENE FLUORIDE-CO-HEXAFLUOROPROPYLENE) is 9011-17-0.

More information of POLY(VINYLIDENE FLUORIDE-CO-HEXAFLUOROPROPYLENE) 9011-17-0 are:

3.What are another words for POLY(VINYLIDENE FLUORIDE-CO-HEXAFLUOROPROPYLENE) ?

Synonyms?for?POLY(VINYLIDENE FLUORIDE-CO-HEXAFLUOROPROPYLENE) 9011-17-0:Kynar Flex 2800;FX 9613;Hylar 2800;Solef 11512;Solef 10512;Kynar 2801;Solef 21010;Kynar Flex 2822;Kynar 2751;Kynar 2850;KF Polymer T 2300;Kynar 1800;SF 2 (polymer);Kynar Flex 2801-00;Akeogard CO;Solef 11012;KF 2000;Kynar 2822;Kynar 2800;Solef 11010;Tecnoflon FOR 4;Kynar Flex 2850;Kynar 2812;Solef 21508;Ftoroplast 26;

4.What is the molecular formula of POLY(VINYLIDENE FLUORIDE-CO-HEXAFLUOROPROPYLENE)?

The chemical formula of ?POLY(VINYLIDENE FLUORIDE-CO-HEXAFLUOROPROPYLENE) is?(-CH2CF2-)x[-CF2CF(CF3)-]y which containing 5 Carbon atoms,2 Hydrogen atoms and 4 Fluorine atoms,and the molecular weight of??POLY(VINYLIDENE FLUORIDE-CO-HEXAFLUOROPROPYLENE)?is 214.06.

5.What is POLY(VINYLIDENE FLUORIDE-CO-HEXAFLUOROPROPYLENE) (9011-17-0) used for?

InChI:InChI=1/C15H16Cl3N3O2.C6H6Cl6/c1-2-4-20(15(22)21-5-3-19-10-21)6-7-23-14-12(17)8-11(16)9-13(14)18;7-1-2(8)4(10)6(12)5(11)3(1)9/h3,5,8-10H,2,4,6-7H2,1H3;1-6H/t;1-,2-,3-,4+,5+,6+

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6.Buy POLY(VINYLIDENE FLUORIDE-CO-HEXAFLUOROPROPYLENE) with the best price .

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