C08G63/6952

Matrix-bondable lactide monomors for polylactide synthesis

A process of forming a matrix-bondable polylactide includes forming a methylidene lactide molecule from an L-lactide molecule. The process includes forming a functionalized lactide monomer from the methylidene lactide molecule. The process also includes forming a lactide feedstock that includes at least the functionalized lactide monomer. The process further includes polymerizing the lactide feedstock to form the matrix-bondable polylactide.

Polyether alcohols bearing alkoxysilyl groups by alkoxylation of epoxy-functional alkoxysilanes over double metal cyanide (DMC) catalysts, and processes for preparation thereof
09975909 · 2018-05-22 · ·

Polyether alcohols having alkoxysilyl groups, the use thereof and a process for their preparation by means of DMC catalysis, characterized in that one or more epoxy-functional alkoxysilanes are added individually or in a mixture with further epoxide compounds and optionally further comonomers, either in block form or in random distribution, onto a chain starter of the formula (VII):
R.sup.1H(VII);
having at least one reactive hydroxyl group, where R.sup.1 is a saturated or unsaturated, optionally branched radical, or a polyether radical of the alkoxy-, arylalkoxy or alkylarylalkoxy group type, in which the carbon chain may be interrupted by oxygen atoms or corresponds to a polyetheralkoxy radical or to a singularly or multiply fused phenolic group.

Silicone-polyester copolymer, sealants comprising same, and related methods

A silicone-polyester copolymer has the formula X.sub.g[Z.sub.jY.sub.o].sub.c, where each X is an independently selected silicone moiety having a particular structure, each Y is an independently selected polyester moiety, each Z is an independently selected siloxane moiety, subscript c is from 1 to 150, subscript g is >1, 0j<2, and 0<o<2, with the proviso that j+o=2 in each moiety indicated by subscript c. Methods of preparing the silicone-polyester copolymer are also disclosed. Further, a sealant is disclosed, the sealant comprising the silicone-polyester copolymer and a condensation-reaction catalyst.

RUBBER PARTICLES, COMPOSITE PARTICLES, AND MANUFACTURING METHODS THEREFOR

Provided are polysiloxane structure-containing rubber particles and composite particles having a high degradability; and manufacturing methods therefor. The rubber particles are comprised of a copolymer containing a structural unit derived from (A) a silicone-polyester copolymer having at least two radically polymerizable unsaturated groups per molecule. The composite particles are those with the surfaces of these rubber particles being coated with polyorganosilsesquioxane and/or silica.

REACTIVE GROUP-INCLUDING POLYCAPROLACTONE COMPOUND, NOVEL SILICONE ELASTOMER PARTICLES IN WHICH SAME IS USED, COSMETIC COMPOSITION, AND OTHER APPLICATION

Provided are silicone elastomer particles having a crosslinked structure which is active with respect to biodegradability, and can provide texture and feel during use that is equal to or higher than conventional silicone elastomer particles when blended in a cosmetic composition or the like, a reactive group-containing polycaprolactone compound having a specific structure and useful as a raw material for synthesis reactions, and a method for producing the same. A polycaprolactone compound containing a reactive group having two or more modified polycaprolactone structures has the structural formula (1) as described herein, where in the formula, n is a number in the range 1 to 5 and Ra is a specific (meth)acryl terminal group or alkenyl terminal group, specifically, a compound selected from the aforementioned (meth)acryl-modified polycaprolactone compounds and alkenyl-modified polycaprolactone compounds.

DUAL CURABLE COMPOSITION
20170009010 · 2017-01-12 ·

A dual curable composition is provided, comprising a compound represented by formula (I):


(acrylate).sub.a-(A)-(silane).sub.b (I)

in which a and b are identical or different and are each represented by an integer greater than or equal to 1; and wherein the dual curable composition is radiation curable and/or moisture curable. The moiety A comprises at least one of an aliphatic hydrocarbon, a cycloaliphatic hydrocarbon, an aryl moiety, an ether, an ester, an amide, a urethane, a urea, a hydroxyl group-containing organic moiety, an acrylic oligomer, an epoxy oligomer, a urethane oligomer, a polyester oligomer, or mixtures thereof, and the dual curable composition has a molecular weight greater than or equal to 300.

Biodegradable bone glue

The present invention is directed to bioresorbable polymers to be used as bone and tissue adhesives. The present invention is also directed to the synthesis of bioresorbable polymeric molecules bearing adhesive moieties and the use of such compounds in methods to glue and stabilize fractured bones and damaged tissues. The present invention is also directed to the use of such compounds as adhesive sealants for applications in wound care. The present invention is also directed to the use of such compounds as biodegradable ink for applications in tissue engineering and 3D printing. The present invention also relates to the use of such compounds as drug delivery platforms.

ELASTOMER WITH C-O-Si LINKAGES BETWEEN POLYESTER BACKBONE AND CROSSLINKER
20250263521 · 2025-08-21 ·

A composition containing an elastomer, the elastomer characterized by having a polyester backbone crosslinked with a crosslinker and having a carbon-oxygen-silicon linkage between ester groups and crosslinkers.

Elastomer with C—O—Si linkages between polyester backbone and crosslinker

A composition containing an elastomer, the elastomer characterized by having a polyester backbone crosslinked with a crosslinker and having a carbon-oxygen-silicon linkage between ester groups and crosslinkers.

CONTROLLABLE EXTENSION OF FLEXIBLE OLIGOMERIC DIOLS AND METHODS THEREOF

An extended diol composition is disclosed, including a first component including a diol oligomer and a second component including a bisdimethylamino silane species, where the first component is in molar excess to the second component, and where the diol oligomer has a number average molecular weight Mn of from about 500 g/mol to about 5,000 g/mol. The diol oligomer can be , hydroxyl terminated, or further include an R group that is a polyether, such as a perfluoropolyether, polyoxymethylene, polyethylene glycol, polytetramethylene glycol, or poly(propane diol), or a polyester, such as poly(caprolactone), poly(lactic acid), or poly(glycolic acid). The bisdimethylamino silane species may include an R.sub.1 and R.sub.2 that can include CH.sub.3, vinyl, and phenyl. A method for making an extended diol composition is also disclosed.