B29B7/02

Liquid formulation for reaction injection molding and manufacturing method thereof
11066497 · 2021-07-20 · ·

A method for manufacturing a liquid formulation for reaction injection molding for polymerizing a norbornene-based monomer in the presence of a metathesis polymerization catalyst comprising tungsten as a center metal, the liquid formulation comprising a norbornene-based monomer, provided that in case where the norbornene-based monomer includes exo-dicyclopentadiene, a content of exo-dicyclopentadiene is from 0 to 2% by mass of the norbornene-based monomer, an activator of the catalyst, and a specific ether compound.

Cross-linked rubber and production method therefor

Provided is a cross-linked rubber that can improve long-term sealing properties of a seal member in high-temperature and high-pressure environments. The cross-linked rubber is obtained through cross-linking of a cross-linkable rubber composition containing a fluororubber, carbon black, one or more carbon nanotubes, and an organic peroxide cross-linker, and has a 50% modulus of 5 MPa or more, a compression set (230° C., 500 hours) of 80% or less, and a rate of change of elongation at break between before and after a heat aging test (230° C., 72 hours) of not less than −10% and not more than 10%.

Cross-linked rubber and production method therefor

Provided is a cross-linked rubber that can improve long-term sealing properties of a seal member in high-temperature and high-pressure environments. The cross-linked rubber is obtained through cross-linking of a cross-linkable rubber composition containing a fluororubber, carbon black, one or more carbon nanotubes, and an organic peroxide cross-linker, and has a 50% modulus of 5 MPa or more, a compression set (230° C., 500 hours) of 80% or less, and a rate of change of elongation at break between before and after a heat aging test (230° C., 72 hours) of not less than −10% and not more than 10%.

TAMPER RESISTANT DOSAGE FORMS

The present invention relates to pharmaceutical dosage forms, for example to a tamper resistant dosage form including an opioid analgesic, and processes of manufacture, uses, and methods of treatment thereof.

TAMPER RESISTANT DOSAGE FORMS

The present invention relates to pharmaceutical dosage forms, for example to a tamper resistant dosage form including an opioid analgesic, and processes of manufacture, uses, and methods of treatment thereof.

Dental composite material having stable pasty property
RE048730 · 2021-09-14 · ·

A composite material including silanated filler and mixed polymerizable monomer, having a stable pasty property which keeps well and has a consistent usability. A composite material containing a silanated filler, a polymerizable monomer, and a polymerization initiator, and may be produced by a process which includes a mixed polymerizable monomer preparing step, a silanation step, a silanated filler preserving step, a composite material preparing step, a composite material preserving step, a composite material filling step, and a small quantity preserving container preserving step.

Dental composite material having stable pasty property
RE048730 · 2021-09-14 · ·

A composite material including silanated filler and mixed polymerizable monomer, having a stable pasty property which keeps well and has a consistent usability. A composite material containing a silanated filler, a polymerizable monomer, and a polymerization initiator, and may be produced by a process which includes a mixed polymerizable monomer preparing step, a silanation step, a silanated filler preserving step, a composite material preparing step, a composite material preserving step, a composite material filling step, and a small quantity preserving container preserving step.

Method for reclaiming rubber, and renewed rubber compositions obtainable thereby

A method for reclaiming rubber comprises the steps of: (i) providing a starting material comprising a vulcanized rubber polymer; (ii) subjecting the starting material to mechanical stress and at a temperature of at least 200° C. to achieve at least a partial destruction of the cross-links and the backbone structure of the rubber polymer into fragments; and (iii) reconstituting at least part of the fragments in the presence of a branching/grafting agent to obtain a renewed rubber composition.

Method for reclaiming rubber, and renewed rubber compositions obtainable thereby

A method for reclaiming rubber comprises the steps of: (i) providing a starting material comprising a vulcanized rubber polymer; (ii) subjecting the starting material to mechanical stress and at a temperature of at least 200° C. to achieve at least a partial destruction of the cross-links and the backbone structure of the rubber polymer into fragments; and (iii) reconstituting at least part of the fragments in the presence of a branching/grafting agent to obtain a renewed rubber composition.

MOLDED ARTICLE HAVING A WOOD GRAIN-LIKE APPEARANCE
20210095106 · 2021-04-01 ·

Disclosed is a molded article, wherein the article has at least one layer having a wood grain-like appearance, wherein the layer comprises: a) a first thermoplastic material that is selected from the group consisting of: polyethylene (PE), polypropylene (PP), copolymers thereof, and any combinations thereof; and b) a second polymer material that is at least partially immiscible with said first thermoplastic material, in which said second polymer material is selected from the group consisting of: polyamide, polyethylene terephthalate (PET), copolymers thereof, and any combinations thereof; wherein said second polymer material has a Solubility Parameter () of from about 10 (cal.sup.1/2cm.sup.3/2) to about 20 (cal.sup.1/2cm.sup.3/2), and a melting point of from about 194 C. to about 280 C. The present invention also relates to a mixture of masterbatches used for manufacturing the above molded articles, and a method of manufacturing the above molded articles. The present inventions provide wood grain-like appearance, while maintaining mechanical strength and barrier benefit.