1. Polyvinyl acetate is frequently modified by copolymerization.

2. The copolymerization activity is higher than that of homopolymerization.

3. Grafting copolymerization of epichlorohydrin and bone glue was investigated.

4. Horseradish peroxidase catalyzed the copolymerization of lignin with cresol in the reversed micellar system.

5. The experimental condition of ethylene-propylene copolymerization catalyzed by titanium-oxygen heterocycle constrained geometry metallocene catalyst through mould device was reported.

6. water-borne acrylic resin was modified by grafted copolymerization of acrylic monomer and epoxy resin.

7. Chemical modification including oxygenation, esterify, graft copolymerization and so on.

8. Monocomponent acrylic cathodic electrophoretic coating was prepared by copolymerization of blocked unsaturated isocyanate and acrylate monomers.

9. Process for homo- or copolymerization of conjugated dienes and in situ formation of polymer blends and products made thereby.

10. In this paper, the graft copolymerization of SPI with vinyl acetic ester (VAc) was initiatively studied.

11. Arbutus cyano resin was prepared by heterogeneous graft copolymerization of acrylonitrile with polypropylene.

12. Super - absorbent was synthesized by copolymerization of acid - acrylate grafted onto cassava starch in inverse suspension.

13. The copolymerization process of oil-soluble monomer (styrene) and water-soluble functional monomers (methacrylic acid and acrylic acid) has been studied.

14. Infrared spectrum analysis proved that the graft copolymerization reaction proceeded effectively under these optimal conditions.

15. Modified larch tannin was prepared by grafting copolymerization and sulfoalkylation, and successfully used as retanning agent, possessing good water solubility and enhanced penetration rate.

16. The graft copolymerization of acrylic acid onto acrylonitrile butadiene styrene(ABS) terpolymer was initiated by benzoyl peroxide (BPO) in 1,2 dichloroethane solution.

17. Polysilicate aluminum ferric (PSAF) was prepared through copolymerization by sulphates and chlorides of aluminum or iron with polysilicate acid.

18. Experiments indicated that the copolymerization occrred mainly at the phenolic hydroxyls of lignosulfonate.

19. Properties and synthesis methods are introduced, and latex, suspension, solution polymerization and copolymerization of vinylidene fluoride are reviewed.

20. Effeets of monomer concentration and reaction time on the graft copolymerization were studied.

21. Star polyacrylamide ( SPAM ) was synthesized by the aqueous solution copolymerization method.

22. Monomers containing active functional groups were prepared from polyamine and achieved a series of polymers with dithiocarbamate by homopolymerization, copolymerization or polycondensation methods.

23. A kind of crosslinking modified organic glass was prepared by mold copolymerization of methyl methacrylate, styrene, methacrylic acid with divinylbenzene as crosslinking agent.

24. A kind of crosslinked transparent material was prepared by mold copolymerization of methyl methacrylate, Styrene methacrylic acid and divinylbenzene as crosslinking agent.

25. A kind of polymeric fatliquor PCF was synthesized via free copolymerization from amided colza oil succinate, acrylic acid and vinyl acetate.

26. This paper has reviewed the present situation of the application of metallocene catalysts in homopolymerization and copolymerization of styrene.

27. This TEMPO carrying poly ether is prepared by the copolymerization of olefine oxide initiated by TEMPO sodium salt or sodium phenolate ad epoxy TEMPO.

28. Industrial lignosulfonate is modified to graft carboxy by the free radical copolymerization reaction to synthesize a kind of scale inhibitor-the carboxylic lignosulfonate.

29. Melt blending of HDPE and LLDPE,() and peroxide initiated grafting copolymerization of vinyl trimethoxy silane(A171) onto HDPE/LLDPE blends were simultaneously studied in a twin screw extruder.

30. The production and consumption of polyformaldehyde inland and abroad are presented. The technologies of copolymerization and homopolymerization are compared.

31. In this paper, copolymerization conditions of N - Vinylpyrrolidone ( NVP ) and acrylic acid were preliminarily probed. Copolymer of NVP and acrylic acid having adhesivity was synthesized.

32. Synthesis on the graft copolymerization of carboxymethylcellulose ( CMC ) acrylamide ( AM ) has been studied in this paper.

33. The f1-F1 curves of copolymerization and the structures as well as thermolysis properties of the bipolymers and terpolymers were investigated.

34. Synthesises rare earth complex monomer was conducted by sedimentation and direct method. The rare earth organic ionomer was synthesized by copolymerization of acrylic acid monomer.

35. Acrylic acid and its ester derivatives are important raw materials for the chemistry industry, as monomer, via homopolymerization and copolymerization, it can synthetic thousands of polymers.

36. The development of research on the chemical modification is summarized, including grafting, crosslinking, chloridization and copolymerization.

37. A number of model networks were prepared by anionic block copolymerization of divinylbenzene with various living polystyrene precursors having different chain length distribution.

38. Effect of polymerization conditions including charging mass fraction of polystyrene macromer, amount of initiator and temperature of copolymerization on grafting efficiency were studied.

39. Free radical solution copolymerization of methyl acrylate and acrylonitrile is carried out in DMSO at definite temperature using azodiisobutyronitrile(AIBN) as the initiator.

40. Water - borne acrylic resin was modified by grafted copolymerization of acrylic monomer and epoxy resin.

41. The atmospheric dilatometer. It is suited to determine the homogeneous polymerization and copolymerization process under atmospheric polymerization.

42. Latex particles were obtained by soapless emulsion copolymerization of styrene (St) and methyl methacrylate (MMA) in the presence of functional monomer acrylic acid (AA) .

43. IBMA Resin has been obtained by the method of sedimental copolymerization of two main monomers, isobutylene and maleic anhydride. It has wide application and is one of fine chemical products.

44. Modification Anionic Micro - emulsion was prepared by copolymerization. The product has excellent modification for textile.

45. Crosslinked Copplymer gels prepared by copolymerization of hexadecyl acrylate ( HA ) and acrylic acid ( AA ).

46. A new type of strongly polar organic polymer porous layer open tubular column (OPPLOT-A) was prepared by in situ copolymerization of acrylonitrile and divinylbenzene.

47. The graft copolymerization of acrylonitrile onto cotton yarn and viscose rayon with ceric. ammonium nitrate as initiator has been studied.

48. The in situ graft copolymerization of starch with D , L - lactide was investigated.

49. Effect of polymerization conditions including charging weight ratio of polystyrene macromer(), amount of initiator and temperature of copolymerization on grafting efficiency were studied.

50. The graft copolymerization of binary mixture of styrene-Acrylamide onto bagasse cellulose pulp was investin-gated by using the cellulose xanthogenate Hydrogen peroxide redox system as an initiator.

51. A novel method, in-situ chlorinating graft copolymerization (ISCGC), was employed to synthesize grafting copolymers of chlorinated polymers.

52. The microgel was prepared by the copolymerization of crosslinking agent A and chloroprene and the sol was prepared by emulsion polymerization.

53. The effects of starch extend , graft copolymerization and saponification in the experiment were studied.

54. In this paper, chain transfer constant of graft copolymerization of SBS and MMA was determined.

55. Living copolymerization is the ideal way to synthesis the copolymer with low polydispersity, and to control the copolymer molecules weight.

56. B. S. Dissertation:Grafting copolymerization of methyl acrylate onto chitosan and the study of the adsorptivity (Directed by Professor Liu Shufen).

57. In addition, the copolymerization of conjugated diolefin is the base to explore the polymerization mechanism.

58. The invention discloses a high-activity catalyst which catalyzing and activating carbon dioxide to perform the copolymerization reaction with alkylene oxide to synthesize polycarbonate.

59. Industrial lignosulfonate LS was modified to graft carboxy by the free radical copolymerization reaction. The structure of modified lignosulfonate LSA was characterized by the infrared spectrogram.

60. The graft copolymerization of acrylamide onto xanthan gum initiated by ammonium persulfate in aqueous medium was studied under a nitrogen atmosphere.

61. Graft copolymerization of acrylonitrile onto silk fibers ( SF ) by potassium persulfate - cysteine initiator has been achived.

62. Self-preparation polymerizable macromolecular surfactant HTP and acrylate monomer were used to prepare the amphiphilic polymer by soap-free microemulsion pentamer copolymerization.

63. The polyacrylate sizes were prepared in ethanol through a free radical copolymerization of butyl acrylate (BA) with acrylic acid(AA), methacrylic acid(MAA) and itaconic acid(IA), respectively.

64. The hydroperoxidation product (EPHP) was used to initiate olefine monomers, such as styrene, etc. for grafting copolymerization and examination of toughening effect of the grafted EP in the blend.

65. The copolymerization between calcium lignosulfonate and propylene oxide was investigated in this paper.

66. This paper describes graft copolymerization of acrylic acid onto superfine cellulose using potassium persulphate as initiator.

67. A synthetic rubber produced by copolymerization of a butylene with isoprene, nearly impermeable to air and used in tires, inner tubes, and insulation.

68. Polyketone (STCO) was prepared by the copolymerization of carbon monoxide and styrene catalyzed by a composite catalyst system- palladium acetate, 2,2' bipyrodine associated with a strong acid.

69. The copolymerization activity influenced by temperature, different protecting groups of polar comonomers and the concentration of comonomer was studied.

70. The invention relates to a while random copolymerization polypropylene (PP-R) light resistant pipe which comprises a white (PP-R) water pipe.

71. The effect of dispersant systems in Vinyl Chloride-Vinyl acetateAcrylate suspension copolymerization on the resin particle shape and solubility have been studied.

72. The Building coating was prepared with addition of a certain amount of organo-siloxane for copolymerization in the process of polymerization of styrene and acrylic emulsion.

73. Polymers derived from acrylamide or its derivatives with different structure and property could be obtained through self-polymerization of acrylamide or copolymerization with other olefine monomers.

74. In-situ chlorinating graft copolymerization (ISCGC) was employed to modifypoly (vinyl chlorinate) (PVC) in this paper.

75. A study of the grafted copolymerization of potato starch with butyl acrylate as comonomer, and APS as initiator by microwave radiation has been mode.

76. Optical resin were prepared via the homopolymerization of DCPMA and the copolymerization with methyl methacrylate(MMA).

77. The block copolymerization of caprolactam by anionic initiator with polymeric activators is studied.

78. In this paper the synthetic method of the copolymerization emulsion of VAC - acrylate was briefly introduced.

79. Ring opening of copolymerization and homopolymerization between acrylpimaric acid and ethylene oxide at different mole ratio were studied.

80. Effects of AIA on copolymerization and structure and properties of copolymers were investigated.

81. The other is the polymers that the main chains are comprised of fluorene and other functional groups through copolymerization.

82. Copolymerization products were fractionated by successive solvents extraction with boiling methyl ethyl ketone (MEK) and boiling tetrahydrofuran (THF).

83. One starch graft acrylamide copolymer was synthesized by graft copolymerization of starch and acrylamide in solution, and the polymerization kinetics and its mechanism was discussed.

84. The compatibility of the dimerization and copolymerization catalysts were discussed.

85. The monomer reactivity ratios of NPMI with StAN in radical copolymerization are determined at 60 in benzene solution, and the composition of the terpolymer is calculated by elemental analysis.

86. The density of the polymer was tuned by controlling the addition of the comonomer in the second copolymerization stage.

87. Amphiphilic poly(vinyl pyridine)(PVP) with uniform polyoxyethylene(PEO) was synthesized by copolymerization of the PEO macromer with 2-vinyl pyridine in benzene, using AIBN as initiator.

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88. Acryloyloxystarch was prepared and used as the parent for free radical initiated graft copolymerization with the end functionalized hydroxyethyl methacrylate macromonomer of poly (D, L lactide).

89. The ultrasonic degradation of polybutadiene (PB) and block copolymerization of PB with acrylic acid(AA)in cyclohexane solution were studied.

90. Copolymer of fibroin and acrylonitrile was produced through copolymerization of fibroin and acrylonitrile in sodium sulfocyanate solution.

91. The kind and amounts of tackifier were studied in acrylic emulsion copolymerization. At the same time, the influences of initiator and solvent on emulsion adhesive were analyzed.

92. The research of copolymerization of ethylene and diolefin has theory value as well as practical significance.

93. Synthesis of water - soluble high molecular weight polyacrylamide by homopolymerization and copolymerization was introduced.

94. The method takes n-butyl acrylate and glycidyl methacrylate as raw materials to prepare an active toughener in solution through a copolymerization reaction.