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271. It will encounter difficulties in soaking and baking the polyurethane foam absorbers with large dimensions.

272. The base of braiding machine bobbin carriers is molded of an elastomer, polyurethane.

273. Some polyurethane resin coating contains more free TDI, brushed in besmear in the process of volatile, will lead to latex paint of yellow.

274. The methyl acrylate emulsion was prepared in the anionic polyurethane emulsion.

275. FTIR results indicate that terbium ions coordinated with the carbonyl groups in polyurethane molecular chains.

276. And the properties of anionic, cationic and nonionic polyurethane emulsions were also compared.

277. The main equipments of medium circulating system(SM) were introduced for polyurethane fiber dry spinning. The control of circulating air pressure, air temperature and air flow was discussed.

278. The experimental results suggest that methylene chloride ist a good substitute which can instead of trichlorofluoromethane in the production of different kind of density flexible polyurethane foam.

279. A quick curing vertical foaming equipment for CFC -- free Polyurethane flexible foam has been developed. Sentencedict.com

280. Polyurethane Hard Foamed Plastic is an ideal kind of organic low temperature heat insulation material.

281. Therefore, the method we adopt to study the trajectory of water diffusing in the polyurethane material is the key point to lower the coefficient of heat conductivity and the prolong service life.

282. The UV curable coating of fiber ribbon was prepared by blending bisphenol A epoxy acrylate(EA) and polyurethane acrylate(PUA)and adding reactive diluent, photoinitiator and pigment.

283. Latex condoms take years to biodegrade in landfills and polyurethane and polyisoprene condoms may never decompose.

284. The composition of polyurethane galactic and the interpenetrating polymerization with acrylic ester monomer were researched.

285. By selection tests of polyether polyol, flame retardant and catalyzer(sentencedict.com), a rigid polyurethane foam premix formulation for constmction laminating panel was developed.

286. The synthesis and application of reactant polyurethane fixing agent were introduced.

287. This article is a study of methylene chloride as a substitute for trichlorofluoromethane in producing flexible polyurethane foam.

288. Introduces a new type of hard polyurethane waterproof heat insulating material, which was made from isocyanic esters and polyhydric alcohols, also added by kinds of suitable auxiliary agents.

289. In order to raise product performance such as abrasion resistance, proof radiation, heat stability and so on, polyisocyanate is applied extensively as a cross-link curing agent for polyurethane paint.

290. Through factors of the various thickness and high degree of the Polyurethane Foam to research and analyse the bond force between the Polyurethane Foam material and fly ash concrete.

291. The polyether type polyurethane elastomers based on polyether-polyol, 4,4'- diphenylmethane diisocyanate and 1,4- butanediol were synthesized.

292. A new coumarone resin modified two - component polyurethane waterproof coatings is introduced. The choice of raw materials, formulation and production technology are also studied.

293. A cost effective alternative requiring less expensive fabrication, infinitely mouldable polyurethane is also suited to applications requiring non-sparking and non-conductive material.

294. Inside wedge construction contains a polyurethane ( PU ) heel support stabilizer.

295. This series of products are made of importing polyurethane as solidifying agent and hydric polyester resin, they have superior heat resistence...

296. A aqueous polyurethane emulsion has been prepared based on polyether polyols and toluene diisocyanate.