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Author:

Qu, Jia (Qu, Jia.) | Liu, Jing (Liu, Jing.) | He, Ling (He, Ling.)

Indexed by:

SCIE EI Scopus

Abstract:

Starch is sensitive to moisture and is weak to durability in the protection application to ancient relics. Therefore, two fluorosilicone-modified starches are firstly prepared and evaluated for the protection of historic stones. The fluoro-silicone copolymer grafted starch of P(VTMS/12FMA)-g-starch is synthesized by grafting copolymer of vinyltrimethoxysilane (VTMS) and dodecafluoroheptyl methacrylate (12FMA) onto starch. While the fluoro-silicone starch latex of VTMS-starch@P(MMA/BA/3FMA) is obtained by emulsion polymerization of VTMS primarily grafted-starch (VTMS-starch) with methyl methacrylate (MMA), butyl acrylate (BA) and 2,2,2-trifluoroethyl methacrylate (3FMA). The grafting fluorosilicone copolymer onto starch improves obviously their hydrophobic and thermal properties. Comparatively, VTMS-starch@P(MMA/BA/3FMA) film performs higher water contact angle (107 degrees) and thermal stability (350-430 degrees C) than p(VTMS/12FMA)-g-starch film (72 degrees, 250-420 degrees C) due to the migration of fluorine-containing group onto the surface of film during the film formation. Therefore, VTMS-starch@P(MMA/BA/3FMA) shows much better protective performance in water-resistance, and salt/freeze-thaw resistance for stone samples. (c) 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 41650.

Keyword:

ageing applications colloids copolymers emulsion polymerization

Author Community:

  • [ 1 ] [Qu, Jia; Liu, Jing; He, Ling] Xi An Jiao Tong Univ, Sch Sci, Dept Chem, Xian 710049, Peoples R China
  • [ 2 ] [Qu, Jia] Shangluo Univ, Coll Chem Engn & Modern Mat, Shaanxi Key Lab Comprehens Utilizat Tailings Reso, Shangluo 726000, Peoples R China
  • [ 3 ] [Qu, Jia]Xi An Jiao Tong Univ, Sch Sci, Dept Chem, Xian 710049, Peoples R China
  • [ 4 ] [Liu, Jing]Xi An Jiao Tong Univ, Sch Sci, Dept Chem, Xian 710049, Peoples R China
  • [ 5 ] [He, Ling]Xi An Jiao Tong Univ, Sch Sci, Dept Chem, Xian 710049, Peoples R China
  • [ 6 ] [Qu, Jia]Shangluo Univ, Coll Chem Engn & Modern Mat, Shaanxi Key Lab Comprehens Utilizat Tailings Reso, Shangluo 726000, Peoples R China

Reprint Author's Address:

  • Xi An Jiao Tong Univ, Sch Sci, Dept Chem, Xian 710049, Peoples R China.

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Source :

JOURNAL OF APPLIED POLYMER SCIENCE

ISSN: 0021-8995

Year: 2015

Issue: 11

Volume: 132

1 . 8 6 6

JCR@2015

3 . 1 2 5

JCR@2020

ESI Discipline: CHEMISTRY;

ESI HC Threshold:208

JCR Journal Grade:3

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 2

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 9

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