外部链接:    leo英德   dict有道 百度搜索百度 google谷歌 google图片 wiki维基 百度百科百科   

 polyurethane [,pɒli'juriθein]   添加此单词到默认生词本
n. 聚氨酯

[化] 聚氨基甲酸酯; 聚氨酯




    polyurethane
    [ noun ]
    any of various polymers containing the urethane radical; a wide variety of synthetic forms are made and used as adhesives or plastics or paints or rubber
    <noun.substance>


    Polyurethane \Pol"y*ur`eth*ane\, n. (Chem.)
    any polymer containing {[-NH.CO.O-]} linkages; such polymers
    are much used as the basis of light but rigid foams for
    packaging (

    {polyurethane foam}) and for hard coatings, as on floors.
    [PJC]

    1. The judgment was entered in a case brought by State Industries Inc., a competitor, that alleged infringement of a patent for a method of applying polyurethane foam insulation to gas water heaters.
    2. Crest-Foam, which employs about 450, makes polyurethane foam used in furniture and bedding and under carpets.
    3. It has established a liaison centre in Beijing and a technical development centre in Shanghai. It wants to upgrade the Beijing office to a technical centre and by 1995 to have opened a 'systems house', where customised polyurethane can be produced.
    4. The suit was brought by a competitor, State Industries Inc., alleging Mor-Flo violated patents covering a method of insulating gas water heaters with polyurethane foam.
    5. Many projects are stained to a desired color tone before final coating with a polyurethane.
    6. The polyurethane product, to be known as Duron, is twice as strong as latex, enabling the manufacture of very thin condoms.
    7. With the introduction of satin and antique flat versions, polyurethanes now offer do-it-yourselfers a full range of sheens. Also, certain polyurethane formulas now contain inhibitors to protect them from the sun's ultraviolet rays, for exterior use.
    8. In April a competitor discontinued its polyurethane foam-covered implant when the Food and Drug Administration asked for additional tests, Mr. McGhan said.
    9. "Basically, I know that polyurethane foam is dangerous and will kill you, yes sir," Lilly replied.
    10. Carbide immediately will start selling the ingredients to make the new polyurethane foam, company representatives said at a news conference.
    11. He said he was convinced the product was safe but that studies on women testing whether the polyurethane was dangerous would be difficult to carry out.
    12. The technical director at United Gilsonite Laboratories, John Molski, says the truth is that the successful application of a polyurethane finish is quite simple.
    13. After the stain has been applied and given sufficient drying time, the surface can be prepared for coating with the polyurethane. Lightly sand the stained surface with 220 sandpaper.
    14. About 10 percent of all CFCs released into the air worldwide come from the manufacture of flexible polyurethane foam cushions found in bedding, seats, furniture and various padding, according to industry figures.
    15. While 21 International's main property is Foamex LP, a maker of polyurethane foam for the automobile industry, the company is best known for its 21 Club, a posh New York restaurant.
    16. Biocontrol Technology Inc., Indiana, Pa., said its HEARTechnology subsidiary signed a marketing agreement to distribute its Coraflex polyurethane heart valve in a European country, which it declined to identify.
    17. Urethane polyols are the main raw material for polyurethane, which is used in foam cushions and packaging. Propylene glycol is used in products including fiberglass, paints and cosmetics.
    polyurethane
    polyurethane adhesive
    polyurethane brightener
    polyurethane coating
    polyurethane elastic ...
    polyurethane finishin...
    polyurethane foam
    polyurethane foaming ...
    polyurethane hydrosol...
    polyurethane lacquer
    polyurethane plastics
    polyurethane resin
    polyurethane resin ad...
    polyurethane resin co...
    polyurethane roll
    polyurethane rubber
    polyurethane rubber l...
    polyurethane sealant
    polyurethane-urea
    polyurethanes
    polyuria
    polyuria at night
    polyuria tests
    polyuric
    polyuridylic acid
    polyuridylic acid(Pol...
    polyuronic acid
    polyuronide
    polyvaccine
    polyvalence
    polyvalency
    polyvalent
    polyvalent allergy
    polyvalent antibody
    polyvalent antiserum
    polyvalent bacterial ...
    polyvalent bacterine
    polyvalent chromosome
    polyvalent influenza ...
    polyvalent notation
    polyvalent number
    polyvalent sera
    polyvalent serum
    polyvalent species
    polyvalent vaccine
    polyvaleramide fibre
    polyvariant system
    polyversity
    polyvingl acetate emu...
    polyvinyl
    polyvinyl acetal
    polyvinyl acetal resin
    polyvinyl acetate
    polyvinyl acetate (PVA)
    polyvinyl acetate adh...
    polyvinyl acetate emu...
    polyvinyl acetate gel
    polyvinyl acetate glue
    polyvinyl acetate paint
    polyvinyl acetate resin
    加入收藏 本地收藏 百度搜藏 QQ书签 美味书签 Google书签 Mister Wong
    您正在访问的是
    中国词汇量第二的英语词典
    更多精彩，登录后发现......
    验证码看不清，请点击刷新
      注册
     
     
    2005 - 2024 Dict.li Online Dictionary