(1) Polyvinyl acetate is frequently modified by copolymerization.

(2) To analyze market situation of polyvinyl pyrrolidone.

(3) The feasibility of the application of polyvinyl alcohol ( PVA ) to printed wiring board was studied.

(4) The paint is made from polyvinyl alcohol resin, anion powder, etc. The paint is coated on high transparent paper of the cigarette so as to be made into a filter tip.

(5) This paper introduced the degradation mechanism of polyvinyl chloride ( PVC ) under the irradiation of ultraviolet light.

(6) PVC ( polyvinyl chloride ): Synthetic resin, an organic polymer made by treating vinyl chloride monomers with peroxide.

(7) A novel polyanion electrolyte carboxymethylated polyvinyl alcohol(CMPVA)was synthesized by carboxymethylated polyvinyl alcohol(PVA) with monochloroacetic acid and KOH as catalyst.

(8) QVC products are used by polyvinyl chloride, alumina, detergent and pulp and paper manufacturers.

(9) Abstract: Dehydration behavior of polyvinyl alcohol - glutaraldehyde hydrogel has been investigated in this paper.

(10) Effects of the polyvinyl alcohol, comonomer , temperature and emulsifiers on the properties of cigarette adhesive were discussed.

(11) The polyvinyl acetate and polyvinyl alcohol used are ideal restoring materials obtained by numberless screening.

(12) Polyvinyl Chloride(PVC); Factorial Experimental Design; Torque Rheometer; Differential Scanning Calorimeter(DSC); Heat of Fusion.

(13) The crosslinking reaction of polyvinyl alcohol ( PVA) emulsion with tris (4 - isocyanatophenyl) thio -phosphate (TTPI) was researched by the orthogonal matrix experimental method.

(14) Polyvinyl Chloride . Synthetic resin used in both liquid and thermoplastic powder systems.

(15) To improve the immobilization technique, we use polyvinyl butyral (PVB) as matix to immobilize DNA on a platinum electrode and get a novel DNA electrochemical biosensor.

(16) Novel photosensitive resin based on saponified polyvinyl acetate, photosensitive resin composition, method of forming aqueous gel from the same, and compound.

(17) Polyvinyl acetate emulsion was synthesized by semi - continuous emulsion polymerization method.

(18) The current debate in the packaging industry concerns the environmental effects of polyvinyl chloride.

(19) Specifications for particular types of winding wires - Part 14 : polyvinyl acetal enamelled round aluminium wire, class 105.

(20) The adsorption conditions and effects on poly-phenol in Aloe vera gel with cross linked polyvinyl pyrrolidone(PVPP)was studied In this paper.

(21) A hollow fiber ultrafiltration membrane was prepared by using polyvinyl chloride and polysulfone blends and the dry wet spinning technology.

(22) Coal-tar pitch-based carbon microspheres were prepared by adding petroleum pitch using emulsifying pitch-toluene colloidal solution in polyvinyl alcohol (PVA) glycerol solution.

(23) This method was of simple, speed, accurate which was suitable to the determination of di(2-ethyl hexyl) adipate in polyvinyl chloride plastics materials and products.

(24) In the method, florfenicol serves as a main component; gelatin serves as a carrier; and polyvinyl pyrrolidone is added in a preparation process.

(25) This paper studied the catalytic N - alkylation of acetanilide with polyvinyl chloride - pyridine resin.

(26) A stable microemulsion of Chinese lacquer(MECL) was prepared with a phase inversion by blending the polymer emulsions of polyvinyl formal(PVFM) and styrene-acrylate copolymer(SA).

(27) The PVA CA blend ultrafiltration membranes were prepared by phase inversion from the casting solution consisting of polyvinyl alcohol(PVA), cellulose acetate(CA), acetic acid and water.

(28) Aim To improve the water tolerance and low temperature resistance of polyvinyl acetate ( PVAc ) emulsion.

(29) A polyester shirt or dress, nylon socks or stockings, and acrylic sweater - a raincoat of PVC ( polyvinyl chloride )?

(30) This mechanism is different from that for the acetalization reaction of polyvinyl alcohol with saturated aldehydes, which has only 1,2 addition.

(31) Polyvinyl chloride ( PVC ) based electromagnetism shield coating was prepared.

(32) The cross - linking reaction of polyvinyl alcohol ( PVA ) adhesive was studied by adding diisocyanate ( TDI ).

(33) The PVA-silk composite hydrogel was prepared by reiterative freezing-thawing method using the macromolecular polyvinyl alcohol (PVA) and deglued silk.

(33) is a online sentence dictionary, on which you can find good sentences for a large number of words.

(34) Study on the alcoholic fermentation using dodecanol as the extractive agent by immobilized yeast with alginic acid and polyvinyl alcohol as the mixed carrier was curried out.

(35) Sash guides shall be constructed from corrosion resistant polyvinyl chloride or equivalent material.

(36) The result showed that titanate modificator is better than siloxane and PVA ( polyvinyl alcohol ) .

(37) Plasticiser in plastics(e. g. , polyvinyl chloride). Used in sealants, varnishes, paper coatings, inks, resins and adhesives.

(38) The company has imported advanced equipment and can produce 200-litre annular barrel by using high density polyvinyl resin which is of high rigidity and abradability and can bear ambient pressure.

(39) The conventional method was by the condensation reaction of formaldehyde and polyvinyl alcohol.

(40) A polyester shirt or dress, nylon socks or stockings, acrylic sweater - a raincoat of PVC ( polyvinyl chloride )?

(41) Dehydration behavior of polyvinyl alcohol glutaraldehyde hydrogel has been investigated in this paper.

(42) The dichroic agent is polymeric iodine formed by impregnating an intially transparent plastic sheet of polyvinyl alcohol with iodine and heating.

(43) The production procedure of polyvinyl acetate latex paint in polyvinyl formal solution was studied.

(44) This polarizer is made from polyvinyl alcohol by dichroism theory. It is made easily and is of cheap price. This paper enumerates the use of the film polarizer in six fields.

(45) The changes in mechanical and physical properties and chemical structure of polyvinyl formal (PVFM) foam caused by hygrothermal ageing tests were studied by means of IR and other measuring methods.

(46) The solid preparation is prepared by coating the solid preparation containing L-cysteine or salt thereof with coating film containing partial saponifiable matter of polyvinyl alcohol.

(47) It is composed of steel main body, electronic launcher, polyvinyl resin support plate and sealing plate.

(48) The paper introduces the formula, process and tensile strength of the organic-inorganic composite adhesive which is prepared by mixing acetalization of polyvinyl alcohol with silicasol.

(49) The cross linking modification of polyvinyl alcohol ( PVA ) adhesive was explored adding diisocyanate ( TDI ) and borax.

(50) The gold - adsorbing property of the amido oximime chelate fiber of carboxylic polyvinyl alcohol is studied.

(51) The recovery of polyvinyl alcohol(PVA)from simulated desiring wastewater by new salting-out is investigated. The optimal component ratio of new salting agent is obtained through orthogonal experiment.

(52) The membrane name shrinkable polyvinyl chloride ( PVC ) shrink film base color to transparent body, distorition.

(53) It is discussed that crosslinking modification of polyvinyl alcohol (PVA) glue with both hexadiisocyanate (HDI) and water glass by the orthogonal matrix experimental method.

(54) This review described the preparation and application of crosslinked polyvinyl pyridine resins.

(55) The results show that sulfonated - polyvinyl chloride has good catalytic activity and reusability.

(56) Polyvinyl alcohol can be used to produce vinylon, polyvinyl butyral, and polyvinyl formal.

(57) Experimental results showed that the properties of crosslinked adhesive of PVA are superior than those of polyvinyl acetal adhesive. Further-more, it has innoxious to people, it is a excellent en...

(58) And we also study the acetal structure and its influence of thermal stability of polyvinyl acetal which was used as toughening agent and tackifier.

(59) Polyvinyl acetate (PVA): A flexible cold melt adhesive made from synthetic resins. It has low initial tack but good penetration and excellent flexibility.

(60) Medical - grade Polyvinyl chloride is adopted and stainless steel wire is wound up inside the catheter.

(61) Polyvinyl chloride ( PVC ) is a heat - sensitive polymer resin, with degradation during molding.

(62) Chitosan, polyvinyl alcohol, sodium polymannuronate, carboxymethyl chitosan and epidermal growth factor were used in this study.

(63) It uses polyvinyl pyrrolidone (PVP) and low viscosity ethyl cellulose (EC) as combined carrier, ethyl alcohol as solvent, and adopts spray-drying method to prepare tanshinone solid dispersion.

(64) LG pledged yesterday that it would remove brominated flame retardants, chlorinated flame retardants and polyvinyl chloride from the manufacturing process by next year.

(65) Using water soluble PVA ( polyvinyl fibre ) manufacture super weight worsted fabric, it can improve production's quality and price.

(66) The styptic fibre composition is composed of polyvinyl alcohol, gelatin, sweetgum leaf extract and berberine hydrochloride.

(67) A novel adsorbent for the adsorption of triglyceride(TG) was prepared by immobilizing sulfanilic acid onto the crosslinked polyvinyl alcohol based bead.

(68) Plastisol coatings are dispersions of finely divided higher molecular weight polyvinyl chloride resins in plasticizers.

(69) Polyvinyl chloride - polyethylene polyamine resin is a new polymer phase transfer catalyst.

(70) Polyvinyl fluoride used for laminate films may be clear or pigmented.

(71) Preparation of a graphite electrode coated with membrane containing polyvinyl chloride and dibutyl phthalate (or dioctyl phthalate) as the plasticizer was described.

(72) The biopolymer polyhydroxyalkanoate came next on the list. Polyvinyl chloride (PVC) and polyethylene terephthalate (PET) were ranked last.

(73) Polyvinyl fluoride coatings are based on resin made by the polymerization of a vinylidene fluoride monomer.

(74) The polyvinyl alcohol ( PVA ) modified electrode has been prepared on the basis of glassy carbon electrode.

(75) Ths paper reviews the property, some methods about synthesis and use of polyvinyl pyrrolidone.

(76) The synergistic chromogenic reaction of Nb(V) with both bromopyrogallol red(BPR) and diantipyrylmethane(DAM) in the presence of polyvinyl alcohol(PVA) is studied.

(77) Compared to the polyvinyl pyrrolidone, the rice hull adsorbent has advantages of fast adsorption, stronger adsorbability for tannin and lower cost.

(78) As vinyl chloride synthesized from acetylene and hydrogen chloride is further converted into polyvinyl chloride, mercuric chloride must be made use of as a catalyst and activated carbon as a carrier.

(79) A new adsorbent for Triglyceride ( TG ) was synthesized by modifying cross - linked polyvinyl alcohol beads with taurine.

(80) The process of bulk polyvinyl chloride was introduced, and was estimated in economy aspect.

(81) The technology of polyvinyl chloride batch process, main characteristics and the demands of automatic - control are described.

(82) Wooden sheets, spun glass matted into sheets, and polyvinyl chloride have been used as separators.

(83) The O - acetylation of tri - butyl citrate with acetic anhydride catalyzed by polyvinyl pyridine was explored.

(84) Selectie deliery of substances including gelfoam particles, polyvinyl alcohol , and stainless steel coils achieethe easel.

(85) Polyvinyl fluoride resin reinforce soft stain remover is designed and constructed on the basis of soft stains remover. It is integrated with high strength steel pike stains removing device.

(86) Polyvinyl chloride films and sheeting are bonded to metal substrates by an adhesive.

(87) Safety glass shall set into rails in deep into an extruded polyvinyl chloride glazing channels.

(88) The results of experiments and inspections Showed that many-sided influences emerged in the holographic performance properties of dichromated gelatin when the polyvinyl alcohol was incorporated.

(89) This product is a compound coated wire , it made flom excellent bare copper flat wire covered with polyvinyl resin or other enamel as based coating and coated a special bond at surface.

(90) The polarizer having high polarizing activities and durability to heat and moisture was prepared by dipping the newly synthesized azoxy dye into oriented and stretched polyvinyl alcohol film.

(91) Calcium carbide, widely applied in synthesis of organic chemical products, such as benzene, rubber, polyvinyl chloride, and polyacetylene, is a main intermediate product of clean coal utilization.

(92) Graft reaction of the acryloyl chloride on polyvinyl alcohol in dimethyl sulfoxide was studied. The effect of concentration, temperature, time on grafting rate were discussed.

(93) The experiment condition to determine chloridion in cement and clinker with spectrophotography, using polyvinyl alcohol as protective colloid, was studied.

(94) A hollow fiber ultrafiltration membrane was prepared by using polyvinyl chloride (PVC) and polysulfone (PSF) blends and the dry wet spinning technology.

(95) This Standard supersedes polyvinyl chloride plastic sheets for waterproofing ( GB 12952 - 1991 ) .

(96) The experimental results showed that polyvinyl chloride could be chlorinated quickly by the plasma chlorination process at low temperature.