Accession Number:

AD0263097

Title:

BORON POLYMERS

Descriptive Note:

Corporate Author:

OLIN MATHIESON CHEMICAL CORP NEW HAVEN CONN

Personal Author(s):

Report Date:

1961-09-05

Pagination or Media Count:

1.0

Abstract:

The incorporation of P-B bonds within molecules is expected to create materials which are thermally stable. Triboradimethyne, B3C2H5, and tetraboradimethyne, B4C2H6, were obtained by the reactions of pentaborane and acetylene in a silent electric discharge. A series of perhydrodecaborate salts of the type Phenyl3PR2 B10H10 in which R is methyl, ethyl, propyl and butyl was prepared the melting point of the compounds decreased progressively from 295 to 167 C. Three salts of the type Phenyl3PCH2 PPhenyl3B10H10 were prepared. The B10H12 unit was shown to be destroyed in reactions designed to substitute an H atom of a phenyl group of an attached ligand. A variety of symmetrical B10H12 compounds were prepared, the most interesting being ClPPhenyl2B10H12PPhenyl2Cl. Methods of replacement of the Cl atoms by other groups such as -NH2, CH3NH- -OC2H5 have been established. Phenyl2PB10H13 was synthesized and in reactions explored, differs considerably from decaborane or tertiary phosphines. Author

Subject Categories:

Distribution Statement:

APPROVED FOR PUBLIC RELEASE