Abstract: A rubber compound for making a pneumatic tyre structural component comprising a cross-linkable unsaturated-chain polymer base, a reinforcing filler, a thermosetting resin and a vulcanization system. The thermosetting resin comprises functionalized lignin with —OR groups wherein R is an alkyne group with a number of carbon atoms of between (3) and (18).

Abstract: Disclosed herein are a sealant composition for use with tires, a tire having at least one component with at least one surface at least partially coated with the sealant composition, and related methods for applying the sealant composition to tires. The sealant composition comprises biorubber and a softener comprising at least one of plant oil or plant resin and has a non-petroleum content of at least 70% by weight.

Abstract: A rubber compound for the preparation of pneumatic tyre parts comprising at least a crosslinkable unsaturated-chain polymer base, a filler, a vulcanization system and a dispersing agent comprising, in turn, a functionalized lignin having a plurality of functionalizations of the general formula I wherein R and R? are different from each other and chosen from —OH and —OArLig and n is an integer between 1 and 6.

Abstract: Rubber compound for preparing pneumatic tyre parts comprising a cross-linkable unsaturated chain polymer base, a filler, a vulcanization system and one or more antioxidant agents. The antioxidant agents comprise functionalized lignin with —OR groups, where R is a terpene group with a total number of carbon atoms of between 6 and 16. The —OR groups deriving from the functionalization of 10 to 60% of the lignin phenolic hydroxyl groups.

Abstract: Disclosed herein are a sealant composition for use with tires, a tire having at least one component with at least one surface at least partially coated with the sealant composition, and related methods for applying the sealant composition to tires. The sealant composition comprises biorubber and a softener comprising at least one of plant oil or plant resin and has a non-petroleum content of at least 70% by weight.

Abstract: Disclosed herein are a sealant composition for use with tires, a tire having at least one component with at least one surface at least partially coated with the sealant composition, and related methods for applying the sealant composition to tires. The sealant composition comprises biorubber and a softener comprising at least one of plant oil or plant resin and has a non-petroleum content of at least 70% by weight.

Abstract: Lignin having a plurality of functionalizations of the general formula I wherein R and R? are different from each other and selected between —OH and —OArLig and n is an integer between 1 and 6.

Abstract: A rubber compound for the preparation of pneumatic tyre parts comprising at least a crosslinkable unsaturated-chain polymer base, a filler, a vulcanization system and a dispersing agent comprising, in turn, a functionalized lignin having a plurality of functionalizations of the general formula I wherein R and R? are different from each other and chosen from —OH and —OArLig and n is an integer between 1 and 6.

Abstract: Rubber compound for preparing pneumatic tyre parts comprising a cross-linkable unsaturated chain polymer base, a filler, a vulcanization system and one or more antioxidant agents. The antioxidant agents comprise functionalized lignin with —OR groups, where R is a terpene group with a total number of carbon atoms of between 6 and 16. The —OR groups deriving from the functionalization of 10 to 60% of the lignin phenolic hydroxyl groups.

Abstract: A rubber compound for making a pneumatic tyre structural component comprising a cross-linkable unsaturated-chain polymer base, a reinforcing filler, a thermosetting resin and a vulcanization system. The thermosetting resin comprises functionalized lignin with —OR groups wherein R is an alkyne group with a number of carbon atoms of between (3) and (18).

Abstract: A rubber compound comprising a polymer base with a cross-linkable unsaturated chain, a filler and a vulcanization system. The vulcanization system comprises at least sulphur, one or more vulcanization accelerators, and one or more vulcanization activators. The vulcanization system comprises, as a vulcanization activator, a zinc salt of a monocarboxylic acid with general formula (I) HO2C(CH2)mCO(CH2)nCH3??(I) wherein: m is an integer from 0 to 3; n is an integer from 0 to 4.

Abstract: A method for making rubber portions comprising tyre metallic reinforcing plies. This method comprises an incorporation step wherein metallic cords which constitute the plies are arranged between two skim layers and a treatment step for the metallic cords, that precedes the incorporation step and wherein the metallic cords are wetted with a diene elastomeric polymer with a viscosity of between 3 and 10 Pa·s at room temperature.

Abstract: Disclosed herein are a sealant composition for use with tires, a tire having at least one component with at least one surface at least partially coated with the sealant composition, and related methods for applying the sealant composition to tires. The sealant composition comprises biorubber and a softener comprising at least one of plant oil or plant resin and has a non-petroleum content of at least 70% by weight.

Abstract: A rubber mixture comprising at least one polymer base with a cross-linkable unsaturated chain, a vulcanization system, and antioxidant agents comprising in monomer form one or more compounds covered by the general formula (I) wherein, the substituents R1, R2, R3, R4 and R10, which are equal to or different from one another, are chosen among H, OH, and (CH2)nCHCH2 with n as an integer number ranging from 1 to 10; provided that, among the substituents R1, R2, R3, R4 and R10, at least one is OH and at least one is (CH2)nCHCH2; and the substituents R5, R6, R7, R8 and R9, which are equal to or different from one another, are chosen among H, OH, and (CH2)nCHCH2 with n as an integer number ranging from 1 to 10; provided that, among the substituents R5, R6, R7, R8 and R9, at least one is OH and at least one is (CH2)nCHCH2.

Abstract: Use, as an anti-aging agent in polymer compounds, stilbene family compound of general formula (I): wherein the substitutes are selected from the following five combinations: a) R1, R3 and R5 are OH; R2, R4 and R6 are H; b) R1 and R4 are OCH3; R2 and R5 are OH; R3 and R6 are H; c) R1 and R4 are OH; R2 and R5 are OC(CH3)3; R3 and R6 are H; d) R1 and R4 are OCH3; R2 and R5 are OH; R3 and R6 are C(CH3)3; e) R1 and R4 are OC(CH3)3; R2 and R5 are OH; R3 and R6 are H.

Abstract: A rubber compound comprising a polymer base with a cross-linkable unsaturated chain, a filler and a vulcanization system. The vulcanization system comprises at least sulphur, one or more vulcanization accelerators, and one or more vulcanization activators. The vulcanization system comprises, as a vulcanization activator, a zinc salt of a monocarboxylic acid with general formula (I) HO2C(CH2)mCO(CH2)nCH3 ??(I) wherein: m is an integer from 0 to 3; n is an integer from 0 to 4.

Abstract: A rubber compound comprising a polymer base with a cross-linkable unsaturated chain, a filler, and a vulcanization system. The vulcanization system comprises at least sulphur, one or more vulcanization accelerators, and one or more vulcanization activators. The vulcanization system comprises a vulcanization activator consisting of Zn2SiO4.

Abstract: A rubber mixture comprising at least one polymer base with a cross-linkable unsaturated chain, a vulcanization system, and antioxidant agents comprising in monomer form one or more compounds covered by the general formula (I) wherein, the substituents R1, R2, R3, R4 and R10, which are equal to or different from one another, are chosen among H, OH, and (CH2)nCHCH2 with n as an integer number ranging from 1 to 10; provided that, among the substituents R1, R2, R3, R4 and R10, at least one is OH and at least one is (CH2)nCHCH2; and the substituents R5, R6, R7, R8 and R9, which are equal to or different from one another, are chosen among H, OH, and (CH2)nCHCH2 with n as an integer number ranging from 1 to 10; provided that, among the substituents R5, R6, R7, R8 and R9, at least one is OH and at least one is (CH2)nCHCH2.

Abstract: A compound for a tyre textile body ply skim. The compound has a cross-linkable, unsaturated-chain polymer base, a reinforcing filler composite, and a curing system having at least a curing agent and accelerants. The compound has 0.1 to 20 phr of a lignin derivative, 20 to 50 phr of a first carbon black with a surface area of 90 to 150 m2/g, and 5 to 20 phr of a second carbon black with a surface area of 10 to 40 m2/g.

Abstract: Use, as an anti-aging agent in polymer compounds, stilbene family compound of general formula (I): wherein the substitutes are selected from the following five combinations: a) R1, R3 and R5 are OH; R2, R4 and R6 are H; b) R1 and R4 are OCH3; R2 and R5 are OH; R3 and R6 are H; c) R1 and R4 are OH; R2 and R5 are OC(CH3)3; R3 and R6 are H; d) R1 and R4 are OCH3; R2 and R5 are OH; R3 and R6 are C(CH3)3; e) R1 and R4 are OC(CH3)3; R2 and R5 are OH; R3 and R6 are H.