B29B7/24

POLYETHYLENE TEREPHTHALATE ALLOY HAVING TALC
20230227617 · 2023-07-20 ·

A method of forming a polyethylene terephthalate (PET) mixture with talc includes: providing a feed of PET (PET feed); providing a feed of talc (talc feed); mixing the feed of PET with the feed of talc in a mixer at a PET:talc ratio of about 3:1 to about 1:3 to form a PET/talc mixture; and providing the PET/talc mixture as output. A method of forming a Polyethylene Terephthalate (PET) alloy having talc includes: providing a feed of the PET/talc mixture (PET/talc feed); providing a feed of PET (PET feed); mixing the feed of PET with the feed of PET/talc in a mixer to form a PET alloy having from about 1% (w/w) talc to about 50% talc (w/w); and providing the PET alloy as output.

POLYETHYLENE TEREPHTHALATE ALLOY HAVING TALC
20230227617 · 2023-07-20 ·

A method of forming a polyethylene terephthalate (PET) mixture with talc includes: providing a feed of PET (PET feed); providing a feed of talc (talc feed); mixing the feed of PET with the feed of talc in a mixer at a PET:talc ratio of about 3:1 to about 1:3 to form a PET/talc mixture; and providing the PET/talc mixture as output. A method of forming a Polyethylene Terephthalate (PET) alloy having talc includes: providing a feed of the PET/talc mixture (PET/talc feed); providing a feed of PET (PET feed); mixing the feed of PET with the feed of PET/talc in a mixer to form a PET alloy having from about 1% (w/w) talc to about 50% talc (w/w); and providing the PET alloy as output.

APPARATUS FOR MIXING RESIN COMPOSITION FOR MANUFACTURING POLISHING PAD AND METHOD OF MANUFACTURING POLISHING PAD

The present disclosure relates to an apparatus for mixing a resin composition for manufacturing a polishing pad including: a raw material mixer preparing a mixed raw material including a prepolymer and a foaming agent; a filter connected to the raw material mixer for filtering the mixed raw material; and a pad composition mixer connected to the filter to prepare a curable mixture including the mixed raw material after being filtered and a curing agent, wherein the raw material mixer includes a plurality of rotators having different rotation speeds.

APPARATUS FOR MIXING RESIN COMPOSITION FOR MANUFACTURING POLISHING PAD AND METHOD OF MANUFACTURING POLISHING PAD

The present disclosure relates to an apparatus for mixing a resin composition for manufacturing a polishing pad including: a raw material mixer preparing a mixed raw material including a prepolymer and a foaming agent; a filter connected to the raw material mixer for filtering the mixed raw material; and a pad composition mixer connected to the filter to prepare a curable mixture including the mixed raw material after being filtered and a curing agent, wherein the raw material mixer includes a plurality of rotators having different rotation speeds.

Meshing-type rubber internal mixer and working method thereof

A meshing-type rubber internal mixer and a working method thereof are provided. The meshing rubber internal mixer includes a frame mechanism, a mixing mechanism, and an unloading mechanism. The mixing mechanism is on the upper side of the unloading mechanism. The mixing mechanism and the unloading mechanism are in the frame mechanism. An internal mixing chamber is of a closed structure through first automatic telescopic plates and second automatic telescopic plates. The gap between a first meshing-type rotor and a second meshing-type rotor is small, a material is compressed to enter the space between the first meshing-type rotor and the second meshing-type rotor to be extruded with an internal mixing chamber wall. The material is flaky in the internal mixing chamber, so that the material produces great strain deformation, thereby achieving excellent dispersing and mixing effects.

Meshing-type rubber internal mixer and working method thereof

A meshing-type rubber internal mixer and a working method thereof are provided. The meshing rubber internal mixer includes a frame mechanism, a mixing mechanism, and an unloading mechanism. The mixing mechanism is on the upper side of the unloading mechanism. The mixing mechanism and the unloading mechanism are in the frame mechanism. An internal mixing chamber is of a closed structure through first automatic telescopic plates and second automatic telescopic plates. The gap between a first meshing-type rotor and a second meshing-type rotor is small, a material is compressed to enter the space between the first meshing-type rotor and the second meshing-type rotor to be extruded with an internal mixing chamber wall. The material is flaky in the internal mixing chamber, so that the material produces great strain deformation, thereby achieving excellent dispersing and mixing effects.

Feeder unit, feeder module comprising feeder units, and method for discharging a constant mass flow of one or more powders into a receiving container

A method for processing pharmaceutical powders, which comprises providing a feeder module including a plurality of feeder units each with a storage hopper, a weighing cell, a conveyer, and a discharge end, connecting the storage hopper to a refilling system with a refilling valve, connecting the refilling valve to a level or weight indicator disposed above the refilling valve, connecting the discharge end to a common receiving container, refilling the storage hopper with a powder intermittently 40 to 80 times per hour, storing data during refilling, transporting powder from the storage hopper with the respective conveyer, and discharging powder from each feeder unit into the common receiving container. During each refilling of the storage hopper, the refilling valve dispenses powder into the storage hopper and, during the step of transporting the powder from the storage hopper, the conveyer is operated according to the data collected during previous refills.

METHOD OF PRODUCING BIO-COMPATIBLE CROSS LINKED POLYMERS FOR SPRAY APPLICATIONS
20230083459 · 2023-03-16 ·

A system has a first fluid dispenser containing a biocompatible polymer, a second fluid dispenser containing a biocompatible curing agent selected to form a highly viscous mixture with the biocompatible polymer, a pair of diverging surfaces having a contact point, the first fluid dispenser and the second fluid dispenser positioned to dispense a first fluid and a second fluid at the contact point, and an actuator connected to the first fluid dispenser, the second fluid dispenser and the pair of diverging surfaces, the actuator configured to cause the first fluid dispenser and the second fluid dispenser to dispense the fluids at the contact point, and to cause the diverging surfaces to move through the contact point and then diverge, causing the mixture to form filaments until the filaments break up to form a spray. A method of forming a spray includes dispensing a biocompatible polymer solution and a curing agent onto a pair of diverging surfaces to form a mixture, moving the two diverging surfaces counter to each other to cause the mixture to form filaments between the two diverging surfaces as the diverging surfaces move away from each other, moving the two diverging surfaces further counter to each other to cause the filaments burst into droplets, and directing the droplets onto a surface. A composition of matter comprising a biocompatible polymer and a biocompatible curing agent.

METHOD OF PRODUCING BIO-COMPATIBLE CROSS LINKED POLYMERS FOR SPRAY APPLICATIONS
20230083459 · 2023-03-16 ·

A system has a first fluid dispenser containing a biocompatible polymer, a second fluid dispenser containing a biocompatible curing agent selected to form a highly viscous mixture with the biocompatible polymer, a pair of diverging surfaces having a contact point, the first fluid dispenser and the second fluid dispenser positioned to dispense a first fluid and a second fluid at the contact point, and an actuator connected to the first fluid dispenser, the second fluid dispenser and the pair of diverging surfaces, the actuator configured to cause the first fluid dispenser and the second fluid dispenser to dispense the fluids at the contact point, and to cause the diverging surfaces to move through the contact point and then diverge, causing the mixture to form filaments until the filaments break up to form a spray. A method of forming a spray includes dispensing a biocompatible polymer solution and a curing agent onto a pair of diverging surfaces to form a mixture, moving the two diverging surfaces counter to each other to cause the mixture to form filaments between the two diverging surfaces as the diverging surfaces move away from each other, moving the two diverging surfaces further counter to each other to cause the filaments burst into droplets, and directing the droplets onto a surface. A composition of matter comprising a biocompatible polymer and a biocompatible curing agent.

Method of producing adhesive resin
11624010 · 2023-04-11 · ·

A method of producing an adhesive resin includes: a heating and kneading step of kneading a mixture containing a ring structure-containing hydrocarbon resin, an adhesive functional group-containing compound, and a peroxide while heating the mixture to obtain a heated and kneaded product; and a cooling and kneading step, performed in succession to the heating and kneading step, of kneading the heated and kneaded product while cooling the heated and kneaded product to obtain a cooled and kneaded product. The adhesive resin has a yellowness index (Yi) of 3.0 or less when 0.8 parts by mass of 2-(5-chloro-2-benzotriazolyl)-6-tert-butyl-p-cresol is added to 100 parts by mass of the adhesive resin.