Medium molecular polyisobutene with a certain distribution of double bond isomers

A medium molecular polyisobutene with a number-average molecular weight Mn (determined by gel permeation chromatography) of more than 10000 g/mol containing composition comprising:

• with a reactivity in thermal reactions Rtr of at least 50%, calculated according to formula
• Rtr=100%*[A]+79%*([C6]+[C8])+37%*([B]+[C7])+11%*([C1]+[C2]),
• wherein the letters refer to the isomers and the squared brackets refer to a content of the respective isomer in mol % in the polyisobutene composition,
• wherein the composition comprises at least one polyisobutene species selected from the group consisting of
• in which PIB, PIB′ and PIB″ refer to appropriately shortened polymeric backbones of the polyisobutene,
• with the proviso that (A), (B), and at least one selected from the group consisting of (C6) and (C8) are present in the composition,
• wherein the reactivity in thermal reactions Rtr is determined by stirring 50.0 g of polyisobutene with an approx. Mn of 17000 g/mol in a 250 ml pressure reactor under nitrogen blanket with 4.3 g maleic acid anhydride for 7 hours at 230° C., after the end of the reaction cooling to 120° C. within 30 minutes, diluting with 200 ml xylene and removing from the reactor at 120° C., followed by further dilution with 300 ml heptane, filtering of the solution, solvent removal in vacuo and determination of the composition of the reaction mixture by 1H-NMR spectroscopy.

A medium molecular polyisobutene polyisobutene with a number-average molecular weight Mn (determined by gel permeation chromatography) of more than 10000 g/mol containing composition

• with a reactivity in photo oxygenations Rpo of at least 49%, calculated according to formula
• Rpo=37%*[A]+21%*([C6]+[C8])+100%*([B]+[C7])+95%*([C1]+[C2]),
• wherein the letters refer to the isomers and the squared brackets refer to a content of the respective isomer in mol % in the polyisobutene composition,
• wherein the composition comprises at least one polyisobutene species selected from the group consisting of
• in which PIB, PIB′ and PIB″ refer to appropriately shortened polymeric backbones of the polyisobutene,
• with the proviso that (A), (B), and at least one selected from the group consisting of (C1) and (C2) are present in the composition,
• wherein the reactivity in photo oxygenations Rpo is determined by irradiation at 20° C. for 120 min of 10.0 g polyisobutene with an approx. Mn of 17000 g/mol, 2.5 mg tetraphenylporphyrin and 66.5 g dichloromethane in a photochemical batch reactor, equipped with eighty-eight 405 nm LEDs and analysis of the reaction mixture by NMR spectroscopy after evaporation of the solvent.

A medium molecular polyisobutene with a number-average molecular weight Mn (determined by gel permeation chromatography) of more than 10000 g/mol containing composition

• with a reactivity in thermal reactions Rtr of at least 40% and in photo oxygenation Rpo of at least 49%, calculated according to formulae
• Rtr=100%*[A]+79%*([C6]+[C8])+37%*([B]+[C7])+11%*([C1]+[C2])
• and
• Rpo=37%*[A]+21%*([C6]+[C8])+100%*([B]+[C7])+95%*([C1]+[C2]),
• wherein the letters refer to the isomers and the squared brackets refer to a content of the respective isomer in mol % in the polyisobutene composition,
• wherein the composition comprises at least one polyisobutene species selected from the group consisting of
• in which PIB, PIB′ and PIB″ refer to appropriately shortened polymeric backbones of the polyisobutene,
• with the proviso that (A), (B), and at least one selected from the group consisting of (C1), (C2), (C6) and (C8) are present in the composition,
• wherein the reactivity in thermal reactions Rtr is determined by stirring 50.0 g of polyisobutene with an approx. Mn of 17000 g/mol in a 250 ml pressure reactor under nitrogen blanket with 4.3 g maleic acid anhydride for 7 hours at 230° C., after the end of the reaction cooling to 120° C. within 30 minutes, diluting with 200 ml xylene and removing from the reactor at 120° C., followed by further dilution with 300 ml heptane, filtering of the solution, solvent removal in vacuo and determination of the composition of the reaction mixture by 1H-NMR spectroscopy, and
• wherein the reactivity in photo oxygenations Rpo is determined by irradiation at 20° C. for 120 min of 10.0 g polyisobutene with an approx. Mn of 17000 g/mol, 2.5 mg tetraphenylporphyrin and 66.5 g dichloromethane in a photochemical batch reactor, equipped with eighty-eight 405 nm LEDs and analysis of the reaction mixture by NMR spectroscopy after evaporation of the solvent.

A medium molecular polyisobutene with a number-average molecular weight Mn (determined by gel permeation chromatography) of more than 10000 g/mol containing

• obtained by polymerisation of isobutene or an isobutenic starting material in the presence of at least one Lewis Acid-donor complex and an initiator,
• wherein the Lewis Acid is a halide of boron, aluminium, iron, gallium, titanium, zinc or tin with a reactivity in thermal reactions Rtr of not more than 40% and in photo oxygenation Rpo of not more than 49%, calculated according to formulae
• Rt=100%*[A]+79%*([C6]+[C8])+37%*([B]+[C7])+11%*([C1]+[C2])
• and
• Rpo=37%*[A]+21%*([C6]+[C8])+100%*([B]+[C7])+95%*([C1]+[C2]),
• wherein the letters refer to the isomers and the squared brackets refer to a content of the respective isomer in mol % in the polyisobutene composition,
• wherein the composition comprises at least one polyisobutene species selected from the group consisting of
• in which PIB, PIB′ and PIB″ refer to appropriately shortened polymeric backbones of the polyisobutene,
• with the proviso that (A), (B), and at least one selected from the group consisting of (C6) and (C8) are present in the composition,
• wherein the reactivity in thermal reactions Rtr is determined by stirring 50.0 g of polyisobutene with an approx. Mn of 17000 g/mol in a 250 ml pressure reactor under nitrogen blanket with 4.3 g maleic acid anhydride for 7 hours at 230° C., after the end of the reaction cooling to 120° C. within 30 minutes, diluting with 200 ml xylene and removing from the reactor at 120° C., followed by further dilution with 300 ml heptane, filtering of the solution, solvent removal in vacuo and determination of the composition of the reaction mixture by 1H-NMR spectroscopy, and
• wherein the reactivity in photo oxygenations Rpo is determined by irradiation at 20° C. for 120 min of 10.0 g polyisobutene with an approx. Mn of 17000 g/mol, 2.5 mg tetraphenylporphyrin and 66.5 g dichloromethane in a photochemical batch reactor, equipped with eighty-eight 405 nm LEDs and analysis of the reaction mixture by NMR spectroscopy after evaporation of the solvent.

A medium molecular polyisobutene with a number-average molecular weight Mn (determined by gel permeation chromatography) of more than 10000 g/mol containing composition

• with a reactivity in thermal reactions Rtr of not more than 40% and in photo oxygenation Rpo of not more than 49%, calculated according to formulae
• Rtr=100%*[A]+79%*([C6]+[C8])+37%*([B]+[C7])+11%*([C1]+[C2])
• and
• Rpo=37%*[A]+21%*([C6]+[C8])+100%*([B]+[C7])+95%*([C1]+[C2]),
• wherein the letters refer to the isomers and the squared brackets refer to a content of the respective isomer in mol % in the polyisobutene composition,
• wherein the composition comprises at least one polyisobutene species selected from the group consisting of
• in which PIB, PIB′ and PIB″ refer to appropriately shortened polymeric backbones of the polyisobutene,
• with the proviso that (A), (B), and at least one selected from the group consisting of (C6) and (C8) are present in the composition,
• wherein the content of isomer (A) is more than 60%,
• wherein the reactivity in thermal reactions Rtr is determined by stirring 50.0 g of polyisobutene with an approx. Mn of 17000 g/mol in a 250 ml pressure reactor under nitrogen blanket with 4.3 g maleic acid anhydride for 7 hours at 230° C., after the end of the reaction cooling to 120° C. within 30 minutes, diluting with 200 ml xylene and removing from the reactor at 120° C., followed by further dilution with 300 ml heptane, filtering of the solution, solvent removal in vacuo and determination of the composition of the reaction mixture by 1H-NMR spectroscopy, and
• wherein the reactivity in photo oxygenations Rpo is determined by irradiation at 20° C. for 120 min of 10.0 g polyisobutene with an approx. Mn of 17000 g/mol, 2.5 mg tetraphenylporphyrin and 66.5 g dichloromethane in a photochemical batch reactor, equipped with eighty-eight 405 nm LEDs and analysis of the reaction mixture by NMR spectroscopy after evaporation of the solvent.

A medium molecular polyisobutene with a number-average molecular weight Mn (determined by gel permeation chromatography) of more than 10000 g/mol containing composition

• with a reactivity in thermal reactions Rtr of not more than 40% and in photo oxygenation Rpo of not more than 49%, calculated according to formulae
• Rtr=100%*[A]+79%*([C6]+[C8])+37%*([B]+[C7])+11%*([C1]+[C2])
• and
• Rpo=37%*[A]+21%*([C6]+[C8])+100%*([B]+[C7])+95%*([C1]+[C2]),
• wherein the letters refer to the isomers and the squared brackets refer to a content of the respective isomer in mol % in the polyisobutene composition,
• wherein the composition comprises at least one polyisobutene species selected from the group consisting of
• in which PIB, PIB′ and PIB″ refer to appropriately shortened polymeric backbones of the polyisobutene,
• with the proviso that (A), (B), and at least one selected from the group consisting of (C6) and (C8) are present in the composition,
• wherein the content of isomer (B) is more than 50%,
• wherein the reactivity in thermal reactions Rtr is determined by stirring 50.0 g of polyisobutene with an approx. Mn of 17000 g/mol in a 250 ml pressure reactor under nitrogen blanket with 4.3 g maleic acid anhydride for 7 hours at 230° C., after the end of the reaction cooling to 120° C. within 30 minutes, diluting with 200 ml xylene and removing from the reactor at 120° C., followed by further dilution with 300 ml heptane, filtering of the solution, solvent removal in vacuo and determination of the composition of the reaction mixture by 1H-NMR spectroscopy, and
• wherein the reactivity in photo oxygenations Rpo is determined by irradiation at 20° C. for 120 min of 10.0 g polyisobutene with an approx. Mn of 17000 g/mol, 2.5 mg tetraphenylporphyrin and 66.5 g dichloromethane in a photochemical batch reactor, equipped with eighty-eight 405 nm LEDs and analysis of the reaction mixture by NMR spectroscopy after evaporation of the solvent.

A medium molecular polyisobutene with a number-average molecular weight Mn (determined by gel permeation chromatography) of more than 10000 g/mol containing composition

• with a reactivity in thermal reactions Rtr of not more than 40% and in photo oxygenation Rpo of not more than 49%, calculated according to formulae
• Rtr=100%*[A]+79%*([C6]+[C8])+37%*([B]+[C7])+11%*([C1]+[C2])
• and
• Rpo=37%*[A]+21%*([C6]+[C8])+100%*([B]+[C7])+95%*([C1]+[C2]),
• wherein the letters refer to the isomers and the squared brackets refer to the content of the respective isomer in mol % in the polyisobutene composition,
• wherein the composition comprises at least one polyisobutene species selected from the group consisting of
• in which PIB, PIB′ and PIB″ refer to appropriately shortened polymeric backbones of the polyisobutene,
• with the proviso that (A), (B), and at least one selected from the group consisting of (C6) and (C8) are present in the composition,
• wherein the content of isomer [(C6)+(C8)] (in sum) is more than 20%,
• wherein the reactivity in thermal reactions Rtr is determined by stirring 50.0 g of polyisobutene with an approx. Mn of 17000 g/mol in a 250 ml pressure reactor under nitrogen blanket with 4.3 g maleic acid anhydride for 7 hours at 230° C., after the end of the reaction cooling to 120° C. within 30 minutes, diluting with 200 ml xylene and removing from the reactor at 120° C., followed by further dilution with 300 ml heptane, filtering of the solution, solvent removal in vacuo and determination of the composition of the reaction mixture by 1H-NMR spectroscopy, and
• wherein the reactivity in photo oxygenations Rpo is determined by irradiation at 20° C. for 120 min of 10.0 g polyisobutene with an approx. Mn of 17000 g/mol, 2.5 mg tetraphenylporphyrin and 66.5 g dichloromethane in a photochemical batch reactor, equipped with eighty-eight 405 nm LEDs and analysis of the reaction mixture by NMR spectroscopy after evaporation of the solvent.

A medium molecular polyisobutene with a number-average molecular weight Mn (determined by gel permeation chromatography) of more than 10000 g/mol containing composition, comprising

• at least 45 to not more than 90 mol % (in sum) of at least one polyisobutene species selected from the group consisting of
• up to 10 mol % polyisobutene species (B) bearing a beta-double bond,
• up to 10 mol % (in sum) polyisobutene isomers (C1)+(C2)+(C7),
• selected from the group consisting of
• in which PIB′ and PIB″ refer to appropriately shortened polymeric backbones of the polyisobutene,
• wherein at least one isomer selected from the group consisting of (C1), (C2), (C6), (C7), and (C8) is present,
• wherein a sum of (A), (B), and (C) always adds up to 100 mol %.

A medium molecular polyisobutene with a number-average molecular weight Mn (determined by gel permeation chromatography) of more than 10000 g/mol containing composition, comprising:

• not more than 10 mol % (in sum) of at least one polyisobutene species selected from the group consisting of
• at least 30 up to 55 mol % polyisobutene species (B) bearing a beta-double bond,
• up to 10 mol % (in sum) polyisobutene isomers (C1)+(C2)+(C7),
• selected from the group consisting of
• in which PIB′ and PIB″ refer to appropriately shortened polymeric backbones of the polyisobutene,
• wherein at least one of the isomers (C1), (C2), (C6), (C7), and (C8) is present,
• wherein a sum of (A), (B), and (C) always adds up to 100 mol %.