2,6-二叔丁基-3-二甲基氨基-4-甲基苯酚 、 硼酸 在
水 、 甲苯 作用下,
以
甲苯 为溶剂,
反应 4.0h,
以leaving the product as a golden orange solid (258 gm) with a melting point of 73°-79°C.的产率得到2,6-Di-tertiary-butyl-dimethylamino-p-cresol borate
参考文献:
名称:
Amine-containing hindered phenolic antioxidant lubricant additives and
The present invention provides a production method of a multifunctional acrylate with a reduced tin content which includes adding an acid to a mixture containing an organotin compound and a multifunctional acrylate and distilling the mixture containing the acid.
(METH)ACRYLIC MONOMER AND METHOD FOR PRODUCING SAME
申请人:OSAKA ORGANIC CHEMICAL INDUSTRY LTD.
公开号:US20200039916A1
公开(公告)日:2020-02-06
A (meth)acrylic monomer is represented by general formula (1) (wherein R
1
represents a hydrogen atom or a methyl group; R
2
to R
4
independently represent —CH
3
or —CH
2
—O—R
5
, wherein at least one of R
2
to R
4
represents —CH
2
—O—R; R
5
represents an alkyl group having 1 to 4 carbon atoms; and Z represents multiple atoms necessary for the formation of an alicyclic hydrocarbon group having 3 to 10 carbon atoms in conjunction with a carbon atom). The (meth)acrylic monomer has a property of high acid degradability and can be removed by the action of an acid.
(METH)ACRYLOYL-TERMINATED POLYISOBUTYLENE POLYMER, METHOD FOR PRODUCING THE SAME, AND ACTIVE ENERGY RAY-CURABLE COMPOSITION
申请人:KANEKA CORPORATION
公开号:US20140243444A1
公开(公告)日:2014-08-28
The purpose of the present invention is to provide a polymer having a low halogen atom content remaining in the polymer, a simple production method thereof, an active energy ray-curable composition that can be rapidly cured by an irradiation of a small amount of light, and a cured product thereof. These purpose can be achieved by an active energy ray-curable composition, including a polyisobutylene polymer (A) represented by the following general formula (1) (wherein R
1
represents a monovalent or polyvalent aromatic hydrocarbon group, or a monovalent or a polyvalent aliphatic hydrocarbon group; A represents a polyisobutylene polymer; R
2
represents a divalent saturated hydrocarbon group having 2-6 carbon atoms, which contains no hetero atoms; R
3
and R
4
each represent hydrogen, a monovalent hydrocarbon group having 1-20 carbon atoms, or an alkoxy group having 1-20 carbon atoms; R
5
represents hydrogen or a methyl group; and n denotes a natural number), and an active energy ray polymerization initiator (B).
Improved process for making random ethylene alkyl acrylate copolymers
申请人:E.I. DU PONT DE NEMOURS AND COMPANY
公开号:EP0113904A2
公开(公告)日:1984-07-25
An improved continuous process for producing random ethylene/acrylate/cure-site copolymers with greater efficiency by copolymerizing therewith a small quantity of certain polyfunctional monomers, such as diallyl maleate.
An improved mist lubricant composition and an improved mist lubrication process utilizing said improved lubrication composition is disclosed. The composition contains specific synthetic esters and a mixture of polyisobutylene polymers having different molecular weights. Synthetic esters employed in the composition are polyol esters, trimellitate esters, and polymeric fatty acid esters.