Michel Daumerie | University of Oxford (original) (raw)

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Papers by Michel Daumerie

Research paper thumbnail of Copolymeres bloques transparents

Research paper thumbnail of Blends of polypropylene and poly (lactic acid) compatibilized and methods of making and use thereof

A composition comprising a mixture of a polyolefin, a poly (lactic acid) and a modifier reagent, ... more A composition comprising a mixture of a polyolefin, a poly (lactic acid) and a modifier reagent, wherein the reactive modifier is an epoxy functionalized polypropylene.

Research paper thumbnail of Method for producing transparent block copolymers

Research paper thumbnail of Compositions polymériques comprenant de l'acide polylactique et procédés de fabrication et d'utilisation de ces dernières

L'invention porte sur un article a composants multiples comprenant un premier composant qui r... more L'invention porte sur un article a composants multiples comprenant un premier composant qui renferme un polymere biodegradable, et un second composant qui renferme une polyolefine et un modificateur reactif. L'invention concerne un procede de preparation d'un film multicouches qui consiste a coextruder une premiere et une seconde couche de film, la premiere couche de film comprenant un acide polylactique et la seconde couche comprenant une polyolefine et une polyolefine a fonction epoxy. L'invention se rapporte aussi a un procede de preparation d'une fibre a composants multiples qui consiste a coextruder un composant d'âme et un composant de gaine, le composant d'âme comprenant une polyolefine et une polyolefine a fonction epoxy et le composant de gaine comprenant un acide polylactique.

Research paper thumbnail of Impact resistant polymeric composition

Research paper thumbnail of Mélanges polymériques et procédés d'utilisation de ces derniers

L'invention porte sur un film comprenant un acide polylactique et un melange de polypropylene... more L'invention porte sur un film comprenant un acide polylactique et un melange de polypropylene, dote d'un voile compris entre environ 10% et environ 95% et d'un brillant a 45° compris entre environ 50 et environ 125. L'invention concerne un procede de production d'un film oriente, lequel procede consiste a: melanger du polypropylene et de l'acide polylactique afin de former un melange polymerique; donner au melange polymerique la forme d'un film; et orienter le film. L'invention se rapporte aussi a un procede de production d'un article moule par injection, qui consiste a melanger du polypropylene et de l'acide polylactique afin de former un melange polymerique, injecter le melange polymerique dans un moule et former l'article.

Research paper thumbnail of Polymères hétérophasiques de propylène à rhéologie controlée

Research paper thumbnail of A process for preparing impact-modified polystyrene

Research paper thumbnail of Antistatic Composition for Synthetic Fibers

Research paper thumbnail of Method of preparation of block copolymers

based on copolymers of coupling block terminated by a lithium atom of the formula SB-Li type wher... more based on copolymers of coupling block terminated by a lithium atom of the formula SB-Li type wherein S is a hydrocarbon block monovinylaromatic and B is a conjugated diene block, by the use of at least one difunctional coupling agent deactivant and at least one polyfunctional coupling deactivating agent in a molar ratio such that the linear polymer obtained by coupling represents 65 to 95% by weight of the total polymer material obtained by coupling.

Research paper thumbnail of Polystyrène choc ayant de meilleures propriétés de brillance et de résistance au choc

Research paper thumbnail of A method of transition between Ziegler-Natta catalysts and metallocene catalysts in a loop reactor for the production of polypropylene

Research paper thumbnail of Heterophasic propylene polymers values controlled rheology

Research paper thumbnail of Method for preparing high impact polystyrene

A composition DESCRIBED AND PROCESS TO MAKE IT SHOWING MONOVINILOAROMATICO POLYMER MATERIAL FOR S... more A composition DESCRIBED AND PROCESS TO MAKE IT SHOWING MONOVINILOAROMATICO POLYMER MATERIAL FOR STRONG IMPACT, particle size multimode having good gloss properties well as resistance to impact. The rubber component particle size Dual mode MATERIAL USED A SMALL AMOUNT OF A RUBBER PARTICLE SIZE LARGE AND A LOT OF RUBBER SIZE A VERY SMALL PARTICLE. The exclusive and advantageous method of manufacturing the material includes INSERT BULLETS PRE-EXISTING a rubber / polymer in a monomer solution also contains an ABLE RUBBER PRODUCING PARTICLES OF A DIFFERENT MARGIN OF SIZES TO COMPONENT RUBBER BULLETS, MIXING AND BULLETS polymerize DISSOLVED / mONOMER IN A STRONG MATERIAL particle size MULTIMODAL.

Research paper thumbnail of Schlagzähes Polystyrol mit verbesserten Glanz- und Schlagfestigkeitseigenschaften

Research paper thumbnail of A process for preparing transparent block copolymers

Research paper thumbnail of Composition de matériaux polymères

Research paper thumbnail of Process for the production of transparent block copolymers

Research paper thumbnail of Method for Transitioning Between Ziegler-Natta and Metalocene Catalysts in a Bulk Loop Reactor for the Production of Polypropylene

Research paper thumbnail of Methods of catalyst activation

Research paper thumbnail of Copolymeres bloques transparents

Research paper thumbnail of Blends of polypropylene and poly (lactic acid) compatibilized and methods of making and use thereof

A composition comprising a mixture of a polyolefin, a poly (lactic acid) and a modifier reagent, ... more A composition comprising a mixture of a polyolefin, a poly (lactic acid) and a modifier reagent, wherein the reactive modifier is an epoxy functionalized polypropylene.

Research paper thumbnail of Method for producing transparent block copolymers

Research paper thumbnail of Compositions polymériques comprenant de l'acide polylactique et procédés de fabrication et d'utilisation de ces dernières

L'invention porte sur un article a composants multiples comprenant un premier composant qui r... more L'invention porte sur un article a composants multiples comprenant un premier composant qui renferme un polymere biodegradable, et un second composant qui renferme une polyolefine et un modificateur reactif. L'invention concerne un procede de preparation d'un film multicouches qui consiste a coextruder une premiere et une seconde couche de film, la premiere couche de film comprenant un acide polylactique et la seconde couche comprenant une polyolefine et une polyolefine a fonction epoxy. L'invention se rapporte aussi a un procede de preparation d'une fibre a composants multiples qui consiste a coextruder un composant d'âme et un composant de gaine, le composant d'âme comprenant une polyolefine et une polyolefine a fonction epoxy et le composant de gaine comprenant un acide polylactique.

Research paper thumbnail of Impact resistant polymeric composition

Research paper thumbnail of Mélanges polymériques et procédés d'utilisation de ces derniers

L'invention porte sur un film comprenant un acide polylactique et un melange de polypropylene... more L'invention porte sur un film comprenant un acide polylactique et un melange de polypropylene, dote d'un voile compris entre environ 10% et environ 95% et d'un brillant a 45° compris entre environ 50 et environ 125. L'invention concerne un procede de production d'un film oriente, lequel procede consiste a: melanger du polypropylene et de l'acide polylactique afin de former un melange polymerique; donner au melange polymerique la forme d'un film; et orienter le film. L'invention se rapporte aussi a un procede de production d'un article moule par injection, qui consiste a melanger du polypropylene et de l'acide polylactique afin de former un melange polymerique, injecter le melange polymerique dans un moule et former l'article.

Research paper thumbnail of Polymères hétérophasiques de propylène à rhéologie controlée

Research paper thumbnail of A process for preparing impact-modified polystyrene

Research paper thumbnail of Antistatic Composition for Synthetic Fibers

Research paper thumbnail of Method of preparation of block copolymers

based on copolymers of coupling block terminated by a lithium atom of the formula SB-Li type wher... more based on copolymers of coupling block terminated by a lithium atom of the formula SB-Li type wherein S is a hydrocarbon block monovinylaromatic and B is a conjugated diene block, by the use of at least one difunctional coupling agent deactivant and at least one polyfunctional coupling deactivating agent in a molar ratio such that the linear polymer obtained by coupling represents 65 to 95% by weight of the total polymer material obtained by coupling.

Research paper thumbnail of Polystyrène choc ayant de meilleures propriétés de brillance et de résistance au choc

Research paper thumbnail of A method of transition between Ziegler-Natta catalysts and metallocene catalysts in a loop reactor for the production of polypropylene

Research paper thumbnail of Heterophasic propylene polymers values controlled rheology

Research paper thumbnail of Method for preparing high impact polystyrene

A composition DESCRIBED AND PROCESS TO MAKE IT SHOWING MONOVINILOAROMATICO POLYMER MATERIAL FOR S... more A composition DESCRIBED AND PROCESS TO MAKE IT SHOWING MONOVINILOAROMATICO POLYMER MATERIAL FOR STRONG IMPACT, particle size multimode having good gloss properties well as resistance to impact. The rubber component particle size Dual mode MATERIAL USED A SMALL AMOUNT OF A RUBBER PARTICLE SIZE LARGE AND A LOT OF RUBBER SIZE A VERY SMALL PARTICLE. The exclusive and advantageous method of manufacturing the material includes INSERT BULLETS PRE-EXISTING a rubber / polymer in a monomer solution also contains an ABLE RUBBER PRODUCING PARTICLES OF A DIFFERENT MARGIN OF SIZES TO COMPONENT RUBBER BULLETS, MIXING AND BULLETS polymerize DISSOLVED / mONOMER IN A STRONG MATERIAL particle size MULTIMODAL.

Research paper thumbnail of Schlagzähes Polystyrol mit verbesserten Glanz- und Schlagfestigkeitseigenschaften

Research paper thumbnail of A process for preparing transparent block copolymers

Research paper thumbnail of Composition de matériaux polymères

Research paper thumbnail of Process for the production of transparent block copolymers

Research paper thumbnail of Method for Transitioning Between Ziegler-Natta and Metalocene Catalysts in a Bulk Loop Reactor for the Production of Polypropylene

Research paper thumbnail of Methods of catalyst activation

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