Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
권호 표지

ffects of Composition and Polymerization Rate on the Structure and Properties of Polyurethane/Polystyrene IPN (II) -Effects of Polymerization Rate on the Structure and Properites-

Polyurthane/Polystyrene IPN에서 조성과 중합속도가 미세구조와 물성에 미치는 영향(II) -중합속도가 미세구조와 물성에 미치는 영향-

  • 이재덕 (숭실대학교 공과대학 섬유공학과) ;
  • 조현태 (숭실대학교 공과대학 섬유공학과)
  • Published : 1992.09.01

⟨ Previous Next ⟩

Abstract

The polyurethane/polystyrene interpenetrating polymer network (PU/Ps IPN) was prepared by simultaneous polymerization method. The effects of preparation conditions on the reaction rates of each component, domain size, effective crosslinking density, Tg, mechanical properties were investigated by SAXS, DSC and mechanical analysis. The increase of reaction rate of PU component caused the decrease of Tg of PS component even in the constant composition on PU/PS IPN. This result is considered that the increase of reaction rate of one component changes the matrix phase in IPN to its own phase. The notched impact strength of PU/PS IPN increased with the increase of reaction rate and molecular weight of PU component, but decreased with the increase of reaction rate and crosslinking density of PS component.

Keywords

References

  1. Russ. Chem. Rev. v.45 no.1 Y.S.Lipatov;L.M.Sergeeva
  2. Rubber Chem. Technol. v.40 K.Shibayama;Y.Suzuki
  3. Polym. Eng. Sci. v.21 D.L.Siegfried(et al.)
  4. J. Appl. Polym. Sci. v.25 M.Yokouchi(et al.)
  5. Macromolecules v.9 A.A.Donatelli(et al.)
  6. J. Korean Fiber Soc. v.29 no.8 J.D.Lee;H.T.Cho
  7. ASTM D 297-81
  8. J. Polym. Sci. v.45 E.F.Cluff(et al.)
  9. Macromolecules v.10 S.C.Kim(et al.)
  10. X-Ray Diffraction by Polymers M.Kakudo;N.Kasai
  11. J.Polym. Sci. v.28 P.Debye(et al.)
  12. Optica Acta v.16 G.Ross
  13. Polymer v.15 D.J.Blundel(et al.)
  14. Macromolecules v.17 D.J.Kinning;E.L.Thomas
  15. Polymer v.14 G.Allen(et al.)
  16. Acta Cryst. v.13 P.W.Schmidt;R.Hight,Jr
  17. Acta Cryst. v.18 B.Chu;D.M.T.Creti
  18. Rubber Chem. Technol. v.33 J.H.Saunders
  19. J. Am. Chem. Soc. v.80 C.G.Swain;L.J.Schaad;A.J.Kresge
  20. Marcamolecules v.9 S.C.Kim;K.C.Frisch;H.L.Frisch
  21. Polymer v.25 M.A.Vallance;J.L.Castles;S.L.Cooper
  22. Polymer(Korea) v.9 J.W.Kim(et al.)
  23. Polymer v.15 G.Allen(et al.)