Process for the preparation of N-tetrathiodimorpholine
申请人:The Goodyear Tire & Rubber Company
公开号:US04621139A1
公开(公告)日:1986-11-04
There is disclosed a process for the preparation of N-tetrathiodimorpholine wherein an admixture of morpholine and elemental sulfur is oxidized with air or oxygen in the presence of iron salts and iron complexes to yield N-tetrathiodimorpholine.
Crystal and molecular structure of dimorpholinotetrasulphane
作者:Olav Foss、Vitalijus Janickis
DOI:10.1039/dt9800000632
日期:——
The tetrasulphane S4(NC4H8O)2 crystallizes in the tetragonal space group l41/a(no. 88) with a=b= 12.812(1), c= 16.733(2)Å, and Z= 8. The structure has been determined by X-ray diffraction from Mo-Kα diffractometer data and refined by full-matrix least squares to R 0.045 for 948 observed reflections. The molecules lie across crystallographic two-fold axes. The N–S–S–S–S–N chains occur in the trans-trans
CROSSLINKABLE RUBBER COMPOSITION FOR CONDUCTIVE ROLLS, RUBBER CROSSLINKED MATERIAL FOR CONDUCTIVE ROLLS, AND CONDUCTIVE ROLL
申请人:Zeon Corporation
公开号:EP2985658A1
公开(公告)日:2016-02-17
A cross-linkable rubber composition for conductive roll use which contains a polyether rubber, solid nitrile rubber, liquid nitrile rubber, sulfur-containing cross-linking agent, disulfide-based cross-linking accelerator, and conductive carbon black with an average primary particle size of 50 nm or less and with a BET specific surface area of 600 m2/g or more is provided. According to the present invention, it is possible to provide a cross-linkable rubber composition for conductive roll use which can give cross-linked rubber which is low in hardness, is low in volume resistivity value, and excellent in pressure-resistant compression set.
本发明提供了一种用于导电辊的可交联橡胶组合物,该组合物包含聚醚橡胶、固体丁腈橡胶、液体丁腈橡胶、含硫交联剂、二硫化物基交联促进剂以及平均主粒径为 50 nm 或以下且 BET 比表面积为 600 m2/g 或以上的导电炭黑。根据本发明,可以提供一种用于导电辊的可交联橡胶组合物,该组合物可以得到硬度低、体积电阻率值低、耐压压缩永久变形性能优异的交联橡胶。
CROSSLINKABLE RUBBER COMPOSITION, CROSSLINKED RUBBER, AND ELECTRO-CONDUCTIVE MEMBER
申请人:Zeon Corporation
公开号:EP3521369A1
公开(公告)日:2019-08-07
A cross-linkable rubber composition comprising a polyether rubber, a cross-linking agent, and zinc peroxide is provided, the polyether rubber comprising 0.1 to 30 mol% of a unit represented by the following general formula (1) and 1 to 15 mol% of an unsaturated oxide monomer unit:
wherein A+ is a group containing a cationic nitrogen-containing aromatic heterocyclic ring; the group containing a cationic nitrogen-containing aromatic heterocyclic ring bonds to a carbon atom at the position "2" shown in the above general formula (1) through one of nitrogen atoms constituting the cationic nitrogen-containing aromatic heterocyclic ring.
CROSSLINKABLE RUBBER COMPOSITION, CROSSLINKED RUBBER, AND ELECTROCONDUCTIVE MEMBER
申请人:Zeon Corporation
公开号:EP3521370A1
公开(公告)日:2019-08-07
A cross-linkable rubber composition comprising a polyether rubber, a cross-linking agent, and calcium hydroxide is provided, the polyether rubber comprising 0.1 to 30 mol% of a unit represented by the following general formula (1) and 1 to 15 mol% of an unsaturated oxide monomer unit:
wherein A+ is a group containing a cationic nitrogen-containing aromatic heterocyclic ring; the group containing a cationic nitrogen-containing aromatic heterocyclic ring bonds to a carbon atom at the position "2" shown in the above general formula (1) through one of nitrogen atoms constituting the cationic nitrogen-containing aromatic heterocyclic ring.