B29C48/41

PLASTIC COMPOSITION
20180319066 · 2018-11-08 ·

A plastic composition consisting essentially of plastic matter, inorganic matter, and organic matter. The plastic composition has a notched izod impact above 12 J/m, a surface energy of at least 40 dyne/cm and, and when the plastic composition is subjected to injection molding, at least one of a tensile strength of above about 2.7 MPa, a tensile modulus of above about 600 MPa, a flexural modulus above about 690 MPa, a flexural strength above about 5.6 MPa, and a Charpy Impact above about 1.5 KJ/m2.

PROCESSING AID COMPOSITION COMPRISING A SULFONATE-CONTAINING FLUORINATED POLYMER

Described herein is a melt-processible polymer composition comprising: a non-fluorinated melt-processible polymer; and a fluorine-containing polymer comprising at least three (SO.sub.3.sup.)iM.sup.+i groups per polymer chain wherein M is a cation; and i is an integer.

Process for manufacturing panels for floor and wall coverings

The present invention relates to a process for the production of a panel for floor or wad coverings comprising the steps of mixing and homogenising raw materials, thereby obtaining a dryblend, extruding said dryblend, thereby obtaining one or more thermoplastic layers, laminating the afore-mentioned thermoplastic layers, thereby obtaining a laminate, and profiling said laminate, thereby obtaining a panel for floor or wall coverings, wherein at least one thermoplastic layer is extruded by means of a co-rotating twin-screw extruder with pressure element.

System and method for continuously manufacturing cured membranes

A method of continuously manufacturing a cured membrane includes continuously compounding and mixing a vulcanizable rubber composition in a mixing extruder while continuously removing gasses from the vulcanizable rubber composition during mixing with a vacuum. The vulcanizable rubber composition may be continuously extruded to form an extrudate, which may be continuously calendered to form a green membrane. The green membrane may be continuously cured, such as by a hot air conveyor curing system, to form a cured membrane.

Production of fermentable sugars and lignin from biomass using supercritical fluids
10053745 · 2018-08-21 · ·

Methods are disclosed for the continuous treatment of biomass comprising a pretreatment step, wherein said biomass is contacted with a first supercritical, near-critical, or sub-critical fluid to form a solid matrix and a first liquid fraction; and a hydrolysis step, wherein said solid matrix formed in said pretreatment step is contacted with a second supercritical or near-supercritical fluid to produce a second liquid fraction and an insoluble lignin-containing fraction. Also disclosed are apparatuses for the continuous conversion of biomass comprising a pretreatment reactor and a hydrolysis reactor associated with said pretreatment reactor.

Process for the manufacturing of ABS-molding compositions

A process for preparing a thermoplastic polymer composition or a thermoplastic polymer blend, comprising: from 20 to 80% by weight of at least one water-moist elastomer component A containing up to 40%, preferably up to 30% by weight of residual water, from 20 to 80% by weight of at least one thermoplastic polymer B, from 0 to 40% by weight of at least one further polymer C, and from 0 to 60% by weight of additive(s) D, by mixing the elastomer component A with the thermoplastic polymer B and, if present, the further polymer C and, if present, the additive(s) D in an extruder, comprising the steps of precipitating the elastomer component A, and mechanical dewatering of the elastomer component A leads to improved salt-free products.

Production of TPO roofing membrane via counter-rotating extrusion

The present disclosure is directed to a process for producing thermoplastic polyolefin roofing membrane. The process includes directly adding components of a high-load flame retardant TPO formulation to a counter-rotating twin screw extruder. The process includes extruding the formulation with counter-rotation of the twin screws and forming a TPO roofing membrane having a tensile strength of greater than 10 MPa and a flame retardance of rating of classification D as measured in accordance with EN ISO 1 1925-2, surface exposure test.

LINER-TYPE BARREL

A barrel main body, a sleeve, and a fixing mechanism (a fastening hole and a fastening device) are provided. The barrel main body includes a barrel hole having a cylindrical shape and a slit dividing an inner circumferential surface of the barrel hole. The sleeve having a hollow cylindrical shape is removably incorporated into the barrel hole. The slit includes two cutout surfaces facing each other with a space between. The fixing mechanism brings the inner circumferential surface of the barrel hole into close contact with the sleeve without any gap by narrowing the space between the cutout surfaces and deforming the barrel main body.

Composite material and method of preparing the same from substantially unsorted waste
09914256 · 2018-03-13 · ·

A composite material having thermoplastic properties and comprising organic matter and optionally one or both of inorganic matter and plastic with unique characteristics is provided. Such a composite material may be prepared from waste such as domestic waste. For preparation of the composite material, waste is dried, optionally particulated. The dried and optionally particulated waste material is then heated, while mixing under shear forces. The composite material is processed to obtain useful articles.

Method of Making Thermoplastic Vulcanizates and Thermoplastic Vulcanizates Made Therefrom
20180030219 · 2018-02-01 ·

The present disclosure relates to a method for making thermoplastic vulcanizates comprising dynamically vulcanizing an elastomer in an extrusion reactor with a curative in the presence of a thermoplastic resin to form a thermoplastic vulcanizate. Process oil is added to the extrusion reactor at a first, second, and third location, where the amount of process oil introduced at the first oil injection location is less than that introduced at the second oil injection location, where the third oil injection location is downstream of where the curative is introduced to the extrusion reactor, and where the thermoplastic vulcanizate comprises at least 25 wt % of oil based on the weight of the thermoplastic vulcanizate.