公开(公告)号：US3846374A

公开(公告)日：1974-11-05

申请号：US28937371

申请日：1971-05-27

Applicant: AMERICAN CYANAMID CO

Inventor： FARLEY C ,  GRAYSON M

IPC: C07F9/50 ,  C07F9/6584 ,  C07D105/02

CPC classification number: C07F9/6584 ,  C07F9/5031

Abstract: WHEREIN R is alkyl of 1-8 carbon atoms or mononuclear aryl, R1, R2 and R, are hydrogen or lower alkyl, R4 is hydrogen, lower alkyl, phenyl or alkylphenyl, Q is oxygen or sulfur, m is 1 or zero and n is 1 or 2 and salts thereof are provided. They are effective depilatories and unhairing accelerators and can also be used as lubricating oil antioxidants and as flame retardants in plastics and textiles. They are prepared by reacting an appropriately substituted 3-aminopropylphosphine with a dialkyl or diaryl disulfide. Sulfides and oxides are produced by heating 1,2-azaphospholanes contained triavalent phosphorus with sulfur or oxygen or by using 3-aminopropylphosphine sulfides or oxides as starting materials.

1,2-Azaphospholanes and their 2-oxides and 2-sulfides having the formula

Abstract translation: 1,2-亚磷杂环己烷及其具有式WHEREIN R的2-氧化物和2-硫化物是1-8个碳原子的烷基或单核芳基，R1，R2和R是氢或低级烷基，R4是氢，低级烷基， 苯基或烷基苯基，Q为氧或硫，m为1或为0，n为1或2，并提供其盐。 它们是有效的脱毛剂和脱毛促进剂，也可用作润滑油抗氧化剂和塑料和纺织品中的阻燃剂。 它们通过使适当取代的3-氨基丙基膦与二烷基或二芳基二硫化物反应来制备。 硫化物和氧化物是通过用硫或氧加热含有三价磷的1,2-氮杂磷杂环或通过使用3-氨基丙基膦硫化物或氧化物作为起始原料来制备的。

公开(公告)号：US3719552A

公开(公告)日：1973-03-06

申请号：US3719552D

申请日：1971-06-18

Applicant: AMERICAN CYANAMID CO

Inventor： FARLEY C ,  GRAYSON M

IPC: D21C9/10 ,  D21C9/16

CPC classification number: D21C9/1036

Abstract: THE RATE AT WHICH SULFATE-PROCESS PULP IS BRIGHTENED BY OXYGENATED AQUEOUS MEDIUM IS ACCELARATED BY THE PRESENCE IN THE MEDIUM OF A DISSOLVED PEROXIDE WHEN THE PH OF THE MEDIUM IS IN EXCESS OF 11.

公开(公告)号：US3736224A

公开(公告)日：1973-05-29

申请号：US3736224D

申请日：1971-06-16

Applicant: AMERICAN CYANAMID CO

Inventor： GRAYSON M ,  FARLEY C

IPC: D21C9/10

CPC classification number: D21C9/1036

Abstract: A METHOD FOR THE DELIGNIFICATION AND BLEACHING OF LIGNOCELLULOSIC MATERIALS UNDER THE ACTION OF OXYGEN AND ALKALI IN AN ALKALINE MEDIUM AND IN THE PRESENCE OF FROM ABOUT 0.005% TO ABOUT 5.0%, BY WEIGHT, BASED ON THE WEIGHT OF SAID MATERIAL, OF A COPPER-CONTAINING MATERIAL WHICH CONVERTS, AT LEAST IN PART, TO COPPER OXIDE IN THE PRESENCE OF SAID ALKALI IN SAID ALKALINE MEDIUM.