C08K5/372

Anti yellowing composition
09822251 · 2017-11-21 · ·

The present invention relates to a radical scavenging and anti-yellowing composition for polymeric materials and compositions containing the same. The invention further relates to medical devices comprising a composition according to the invention and to a method of sterilizing such devices.

Anti yellowing composition
09822251 · 2017-11-21 · ·

The present invention relates to a radical scavenging and anti-yellowing composition for polymeric materials and compositions containing the same. The invention further relates to medical devices comprising a composition according to the invention and to a method of sterilizing such devices.

Anti yellowing composition
09822251 · 2017-11-21 · ·

The present invention relates to a radical scavenging and anti-yellowing composition for polymeric materials and compositions containing the same. The invention further relates to medical devices comprising a composition according to the invention and to a method of sterilizing such devices.

Curable fluoropolymer compositions comprising a compound containing a phthalonitrile and an olefinic bond and cured articles therefrom

Described herein are fluoropolymer compositions comprising a compound of Formula (I) wherein X.sup.1 is selected from O or S; L is a divalent linking group comprising at least one aromatic ring; O and X.sup.2 comprises a carbon-carbon double bond. In one embodiment, the phthalonitrile-containing compound is added to a composition comprising (i) a fluorinated elastomeric gum, wherein the fluorinated elastomeric gum comprises a fluoropolymer having a cure-site and (ii) a peroxide curing system. ##STR00001##

Curable fluoropolymer compositions comprising a compound containing a phthalonitrile and an olefinic bond and cured articles therefrom

Described herein are fluoropolymer compositions comprising a compound of Formula (I) wherein X.sup.1 is selected from O or S; L is a divalent linking group comprising at least one aromatic ring; O and X.sup.2 comprises a carbon-carbon double bond. In one embodiment, the phthalonitrile-containing compound is added to a composition comprising (i) a fluorinated elastomeric gum, wherein the fluorinated elastomeric gum comprises a fluoropolymer having a cure-site and (ii) a peroxide curing system. ##STR00001##

Curable fluoropolymer compositions comprising a compound containing a phthalonitrile and an olefinic bond and cured articles therefrom

Described herein are fluoropolymer compositions comprising a compound of Formula (I) wherein X.sup.1 is selected from O or S; L is a divalent linking group comprising at least one aromatic ring; O and X.sup.2 comprises a carbon-carbon double bond. In one embodiment, the phthalonitrile-containing compound is added to a composition comprising (i) a fluorinated elastomeric gum, wherein the fluorinated elastomeric gum comprises a fluoropolymer having a cure-site and (ii) a peroxide curing system. ##STR00001##

UPCYCLING OF POLYSTYRENE REINFORCED 3D PRINTABLE PHOTOPOLYMER NANOCOMPOSITES AND RING OPENING COPOLYMERIZATION
20230167233 · 2023-06-01 ·

A 3D printable resin is provided. The 3D printable resin includes a polystyrene and at least one of a solubilizing crosslinker or a solubilizing polymer. Alternatively, a ring-opened polyester copolymer is provided. The ring-opened polyester copolymer is a product of a reaction between a cyclohexene anhydride and a glycidol allyl ether. In addition, A polyester resin is provided. The polyester resin includes a product of a reaction between a cyclohexene anhydride and a glycidol allyl ether, a 4-arm thiol, and a photoinitiator.

UPCYCLING OF POLYSTYRENE REINFORCED 3D PRINTABLE PHOTOPOLYMER NANOCOMPOSITES AND RING OPENING COPOLYMERIZATION
20230167233 · 2023-06-01 ·

A 3D printable resin is provided. The 3D printable resin includes a polystyrene and at least one of a solubilizing crosslinker or a solubilizing polymer. Alternatively, a ring-opened polyester copolymer is provided. The ring-opened polyester copolymer is a product of a reaction between a cyclohexene anhydride and a glycidol allyl ether. In addition, A polyester resin is provided. The polyester resin includes a product of a reaction between a cyclohexene anhydride and a glycidol allyl ether, a 4-arm thiol, and a photoinitiator.

Curable fluoropolymer compositions comprising a compound containing a phthalonitrile and a nucleophilic functional group and cured articles therefrom

Described herein are fluoropolymer compositions comprising a compound of Formula I wherein X.sup.1 is selected from O or S; L is a divalent linking group comprising at least one aromatic ring; and X.sup.2 is selected from the group consisting of a hydroxyl group, an amino group, a thiol group, and a nitrile group. In one embodiment, the phthalonitrile-containing compound is used to crosslink a dehydrohalogenated polymer, and optionally with a polyhydroxy curative. In another embodiment, the phthalonitrile-containing compound is added to a composition comprising (i) a fluorinated elastomeric gum, wherein the fluorinated elastomeric gum comprises a fluoropolymer having a cure-site and (ii) a peroxide curing system. ##STR00001##

PRODUCTION OF A MASTER BATCH BASED ON SULPHUR AND CARBONACEOUS NANOFILLERS, THE MASTER BATCH PRODUCED, AND USES THEREOF

The invention relates to a method for producing a master batch comprising between 0.01 and 50 wt. % of carbonaceous nanofillers and at least one sulphurated material such as elemental sulphur by melt compounding, and to the master batch thus produced and the different uses thereof. The invention also relates to a solid composition comprising carbonaceous nanofillers dispersed in a sulphurated material.