Tensio-active polypod compounds, process for preparing them and
申请人:L'Oreal
公开号:US04290956A1
公开(公告)日:1981-09-22
Tensio-active cyclic polyethers of the general formula: ##STR1## where A refers to a hydrophile block chosen from the amine, ammonium, ammonio alkyl carboxylate, ammonio alkyl sulfonate, amide, sulfonamide, ether, thioether, hydroxyl, ester and acid groupings. These polyethers may be prepared (1) by reaction of alcohol or of undecylenic acid with thioacetic acid, (2) saponification with an alkaline base, (3) reaction of the product obtained in (2) with the tetramer of epichlorohydrin or of epibromohydrin, (4) reaction of mesylate or tosylate of the compound obtained in (3) either (a) with dimethylamine or methylethanolamine, the resulting compound being able to be salified or alkylated, or (b) with the mercapto ethanol or mercapto glycerol; the compounds thereby obtained being then able to be submitted to reactions of polyaddition of ethylene oxide and/or of glycidol oxide. These tensio-active cyclic polyethers are suitable for use in the cosmetic, textile, insecticide and similar industries.
The present invention relates to polysulfide polyols, their production and use.
本发明涉及聚硫醇聚醚多元醇及其生产和使用。
Novel Silane Compounds and Their Use in Functionalizing Solid Supports and Immobilizing Biological Molecules on These Supports
申请人:Martin Franck
公开号:US20090005269A1
公开(公告)日:2009-01-01
The invention relates to novel silane compounds corresponding to the following formula (I):
A-E-X (I)
in which:
X represents a silylated group which makes possible the covalent attachment of the silane compound to the hydroxyl or hydride functional groups of a support;
E represents an organic spacer group;
A represents a group capable of releasing an —OH functional group by acid hydrolysis, the said —OH functional group, after the said hydrolysis, being covalently bonded to E.
Use of these silane compounds for functionalizing solid supports and for immobilizing biological molecules on these supports.
ADHESIVES COMPRISING CROSSLINKER WITH (METH)ACRYLATE GROUP AND OLEFIN GROUP AND METHODS
申请人:3M INNOVATIVE PROPERTIES COMPANY
公开号:US20150037526A1
公开(公告)日:2015-02-05
There is provided an article having a release liner and a pressure sensitive adhesive composition disposed along a major surface of the release liner, where the pressure sensitive adhesive composition has at least 50 wt-% of polymerized units derived from alkyl meth(acrylate) monomer(s); and 0.2 to 15 wt-% of at least one crosslinking monomers comprising a (meth)acrylate group and a C
6
-C
20
olefin group, the olefin group being optionally substituted. In another embodiment, an adhesive composition is described comprising a syrup comprising i) a free-radically polymerizable solvent monomer; and ii) a solute (meth)acrylic polymer comprising polymerized units derived from one or more alkyl(meth)acrylate monomers; wherein the syrup comprises at least one crosslinking monomer or the (meth)acrylic solute polymer comprises polymerized units derived from at least one crosslinking monomer, the crosslinking monomer comprising a (meth)acrylate group and a C
6
-C
20
olefin group, the olefin group being optionally substituted.
Methods of making reversible crosslinked polymers and related methods
申请人:Ellsworth Mark W.
公开号:US08895667B2
公开(公告)日:2014-11-25
Methods are provided for making reversible crosslinked polymers. Exemplary methods comprise reacting first and second thermoplastic polymers having non-hindered olefins in the presence of a metathesis catalyst under conditions sufficient to form a crosslinked polymer. In certain embodiments, the methods comprise providing a crosslink promoting additive to improve the strength of the crosslinked polymer. In some embodiments, the methods comprise decrosslinking a crosslinked polymer through a metathesis or an ozonolysis reaction.