457results about How to "Good processing characteristics" patented technology

Lithium-terminated polymers of one or more conjugated dienes and of one or more mono alkenyl arenes are coupled by reaction with an alkoxy silane coupling agent having the formula Rx—Si—(OR′)y, where x is 0 or 1, x+y=4, R and R′ are the same or different, R is selected from aryl hydrocarbon radicals, linear alkyl hydrocarbon radicals and branched alkyl hydrocarbon radicals, and R′ is selected from linear and branched alkyl hydrocarbon radicals, such that the resulting polymer composition contains less than about ten weight percent of uncoupled polymer diblock. The polymer compositions are subsequently selectively hydrogenated, and are useful in a variety of compounds and end use applications.

The invention discloses a basalt fiber reinforced wood-plastic composite material and a preparation method thereof, and relates to a wood-plastic composite material and the preparation method thereof. The problem of bad comprehensive mechanical property of the current wood-plastic composite material is solved. The material is prepared from thermoplastic plastic, a wood fiber material, modified basalt fibers, a bulking agent and a lubricant. The preparation method comprises the following steps: 1. pre-treating the wood fiber material; 2. sequentially putting the raw materials in a high-speed mixer to be stirred, discharging the materials into a low-speed cold mixer to be stirred, and cooling the materials to obtain premix; and 3. carrying out extrusion forming on the premix. Beside keeping the advantages of good weather fastness, thermal insulation, water resistance, corrosion resistance, and the like, the basalt fiber reinforced wood-plastic composite material provided by the invention has the advantages that the mechanical property is greatly improved compared with common wood-plastic composite materials, and the problems of low mechanical strength and large brittleness of traditional wood-plastic composite material products are well solved. Leftover materials generated in the production process of the basalt fiber reinforced wood-plastic composite material provided by the invention can be entirely recycled, few additives are added, and the basalt fiber reinforced wood-plastic composite material is environment-friendly, thereby being a typical environment-friendly material.

A multilayer film including an elastomeric polymeric core layer and a polymeric skin layer on each side of the core layer. The polymeric skin layers are not elastomeric and the multilayer film is elastic in the cross-direction. The multilayered film is elastic in the cross-direction, has a non-tacky surface feel, and has machine-direction stiffness.

The present invention relates to fiber-size compositions for coating glass or other reinforcing fiber materials that are used in the manufacturing of composites. The fiber-size composition contains at least about 4% by weight of a polyvinylpyrrolidone film former, at least one lubricant and a coupling agent. The sizing composition gives the fibers desirable properties such as high strength, improved flexibility, fuzz formation resistance, and fiber smoothness and softness.

The invention discloses a preparation method of hydrogenated butadiene special rubber, which comprises the following steps: subjecting butadiene rubber to a degradation reaction and a hydrogenation reaction under an action of a Zhan Catalyst as showed in the general formula I to obtain hydrogenated butadiene special rubber. The invention also provides a degradation reaction of the butadiene rubber, which is also under the action of a Zhan Catalyst as showed in the general formula I. The preparation method provided by the invention overcomes the shortcomings that the existing various types of catalysts can not be applicable to the preparation of low Mooney viscosity and high Mooney viscosity hydrogenated butadiene special rubber at the same time, so as to provide a preparation method of high-performance hydrogenated butadiene special rubber with a wide controllable Mooney viscosity range of 5-130. The catalyst used in the invention is the catalyst for both rubber degradation and hydrogenation reduction, so as to avoid a process requiring addition of the catalysts with different catalytic activities in two times respectively in the prior art. The method is simple, and easy to operate.

A curable silicone rubber composition characteristically comprising (A) an alkenyl-containing organopolysiloxane comprising (A-1) a dialkylpolysiloxane that has an average of at least two alkenyl groups in each molecule and (A-2) an alkenyl-containing, resin-form organopolysiloxane that comprises the SiO4 / 2 unit, R<1>2R<2>SiO1 / 2 unit, and R<1>3SiO1 / 2 unit wherein R<1> is C1-10 alkyl and R<2> is alkenyl and that contains the alkenyl group in the range from more than 2.5 mass% to not more than 5.0 mass%; (B) an organopolysiloxane that contains the silicon-bonded hydrogen atom; and (C) a hydrosilylation reaction catalyst in a catalytic quantity and provides a cured silicone material that has a hardness is not more than 75 and the elongation is at least 35%. Also, a composite in which the cured silicone material provided by the thermosetting of the curable silicone rubber composition is integrated into a single article with a substrate.

The invention relates to a new and distinctive tomato hybrid, designated ‘Annamay’, to the plants of tomato hybrid ‘Annamay’, to the plant parts of tomato hybrid ‘Annamay’ including the fruit, and for producing a hybrid tomato plant by crossing tomato hybrid ‘Annamay’ with itself or another tomato line. The invention further relates to methods for producing a tomato plant containing in its genetic material one or more transgenes and to the transgenic plants produced by that method and to the methods for producing other tomato lines derived from tomato hybrid ‘Annamay’.

Described herein are chewable articles intended to be provided to animals for purposes including dental cleaning, breath freshening, nutrition, administration to the animal of beneficial agents, satisfaction of the animal's urge to chew, and general enjoyment by the animal. Also disclosed are apparatus and methods for making such chewable articles, the methods including the use of a processing aid to lubricate the article-forming apparatus, such as extruders, portioners, and molds, and to reduce the power requirements of such apparatus in the forming process.

The invention relates to the use of a cobalt-chromium alloy in the manufacture of a dental prosthesis. The alloy contains:43-68% by weight cobalt,12-30% by weight chromium,8-25% by weight tungsten,0-13% by weight iron,0-30% by weight manganese,0-10% by weight molybdenum,0-5% by weight of at least one of the elementsaluminum, tantalum, rhenium, titanium and less than 0.1% by weight carbon.A dental prosthesis with favorable workability and a low corrosion rate is obtained by manufacturing the dental prosthesis by means of a laser melting and / or sintering process.

Polyester compositions that provide a higher throughput in calendering processes may be prepared from a polyester having crystallization half time of at least 5 minutes, an inherent viscosity of about 0.55 to about 0.75 dL / g, a branching monomer, and a release additive. The polyester compositions show a combination of excellent melt strength with good shear response that permits higher calendering line speeds before melt fracture occurs. Also disclosed are processes for film or sheet by calendering the above compositions and the film or sheet produced therefrom. The polyester compositions, film, or sheet also may include plasticizers and / or flame retardants to increase their flexibility and enable their use in commercial applications requiring flame resistance. The film and sheet have excellent appearance and can be used in a wide range of decorative and packaging applications.