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`Process for tire—baring- afifiéball'ution film
`
`Publication number: CN‘l331260
`
`Publication date:
`
`2002-01-16
`
`Inventor:
`
`CHEN YUNFA (ON): .JIN
`LIANMING (CN); L| HAOYING
`(6N)
`
`Applicant:
`
`CN ACAD INST CHEM
`
`METALLURGY (CN‘)
`
`Classification:
`
`' intgrna'iWB'? '
`
`COBJ5/18; 008L83/04; COSJ5/18;
`COBL83IOO; (lPC'i—7): COSJ5/18;
`COBL83/O4
`
`'-_ European:
`
`Application numbefi CN2000’1009709 20000530
`
`Priority number(5)= CN20001009709 20000630
`
`Report: a data: error here
`
`Abstract of 6N1331260
`
`__A .proceeefor. preparing, the anti-pollutingcfilm includeaaddinggdeienized...
`water and hydrolyzing catalyst to the precursor (organic siloxane or
`alcohol, adding metallic alkoxide and alcohol solution, heating to 80-120
`deg.‘C, refluxing for 1—3 hrs, cooling, adding fluoric surfactant to obtain
`sol, coating on substrate, solidifciation at 120—350 deg.C for 1 hr, and
`natural cooling. Its advantages include easy control of proCess, high
`transparency and antiwear nature of film, high adhesion, and high anti—
`polluting effect.
`,
`
`Data supplied from the esp@cenet‘database - Worldwide
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`fi1e://\\1sdoc\’2}fi51\iKfiHfi’If‘Hwang‘ng htm
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`20074—15
`
`

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`ms PAGE BLANK mm»
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`

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`Claims of R1: CN1331260A
`u
`
`11!
`
`1. A process for preparing anti-pollution film, characterized in steps of:
`
`(1) adding organic siloxane, deionized water, and alcohol into a container, wherein
`
`the deionized water is added in anamount of at least making the organic siloxane
`totally hydrolyzed and the alcohol is added in an amount of a sum volume of the
`
`organic siloxane and the deionized water; further adding hydrolyzing catalyst for
`hydrolysis, wherein the catalyst is added in an amount of keeping the pH of the
`
`the hydrolyzing temperature is
`system within a range of 1 to 5; wherein
`controlled within 25 to 60 °C for l to 3 hours;
`
`(2) adding a mixture of metallic alkoxide and alcohol solvent into the container,
`
`whereinthe mole ratio of alcohol to alkoxide being 1: 11 to 1: 9; the mole ratio of
`
`alkoxide to organic siloxane being 1: 12 to 1: 2; followed by refluxing the system
`for 1 to 3 hours under a temperature of 80 to 120 °C to make monopolymer
`
`materials come into polymerization;
`
`fluoric surfactant thereto, the mole
`(3) cooling the system to be 40 to 80 °C; adding
`ratio of which to the organic siloxane being 0.0001 to 0.05; keeping the system
`. under a constant temperature, stirring for 1 to 3 hours, followed by naturally
`
`cooling to room temperature with continuous stirring;
`
`(4) Settling the product for a period, and preparing a film by pickling process, coating
`
`process or brushng process on substrate;
`
`(5) Drying the prepared film in a drying oven, controlling the temperature under a
`constant temperature of 40 to 80°C;
`
`(6) Solidifying the dried film in an electric stove, gradually heating to 120 to 350°C,
`remaining a constant temperature for a period, followed by- naturally cooling to
`room temperature, obtaining the anti-pollution film.
`i
`
`2. The process for preparing anti-pollution film according to claim 1, characterized
`in that: the organic siloxane has a general formula: R’(CH2)n Si (OR)3, wherein:
`
`R’ =-CH3, ~NH2, —SH, -NH ((1112) zNHz, -CH=CH2, —0CHCH/~0}H2
`
`R= -CH3, -CH2CH3.
`
`n=1,2,3,...,16
`
`3. The process for preparing anti-pollution film according to claim 1, characterized
`in that: the metallic alkoxide has a general formula: Me (OR)4 or Me’(OR)3,
`
`wherein: Me=Ti or Zr, Me’=Al, =-CH2CH3, -CH2CH2CH3,—CH(CH3)2,
`
`-(CH2)3CH3, -CH(CH3)CH2CH3 OI' —CH2CH(CH3)2
`
`

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