UV固化聚氨酯丙烯酸酯的制备与性能研究
|
摘要
通过自由基溶液聚合制备了侧链带有羧基和不同羟基含量的聚丙烯酸酯(PAA),然后与异佛尔酮二异氰酸脂(IPDI)、聚醚多元醇(CHE-204)和丙烯酸羟乙酯(HEA)反应合成了3种聚氨酯丙烯酸酯PEPUA1、PEPUA2、PEPUA3。利用傅里叶红外光谱对合成产物结构进行了表征,通过动态热力学分析(DMA)和拉伸试验测试了树脂固化膜的力学性能,同时考察了固化膜的热稳定性和玻璃化转变温度,以及涂膜的耐水性等;并详细研究了光引发剂浓度及种类、单体及辐照光强等对树脂光固化反应动力学的影响。结果表明:树脂固化膜的力学性能、热稳定性及涂膜物理性能均随着共聚单体HEA含量的增多而提高。
Polyacrylates(PAA) with different number of carboxyl and hydroxyl groups at the side chains were prepared by radical solution polymerization. Then three polyurethane acrylates named as PEPUA1, PEPUA2 and PEPUA3 were synthesized using isophorone isocyanate(IPDI), polyether polyol(CHE-204), HEA and different polyacrylates(PAA).The structure of synthetic products was characterized by Fourier transform infraredspectroscopy(FT-IR). The mechanical properties of the cured film were tested by dynamic mechanical analysis(DMA) and tensile test. The thermal stability, glass transition temperature, water resistance and other basic properties of the cured films were also evaluated. Furthermore, the effects of photoinitiator concentration and type, monomers and irradiation intensity on the kinetics of photo-curing reaction of the two systems were investigated in detail. It was observed that the mechanical properties, thermal stability and physical properties of the cured films were significantly improved with the increase of the content of HEA monomer.
Polyacrylates(PAA) with different number of carboxyl and hydroxyl groups at the side chains were prepared by radical solution polymerization. Then three polyurethane acrylates named as PEPUA1, PEPUA2 and PEPUA3 were synthesized using isophorone isocyanate(IPDI), polyether polyol(CHE-204), HEA and different polyacrylates(PAA).The structure of synthetic products was characterized by Fourier transform infraredspectroscopy(FT-IR). The mechanical properties of the cured film were tested by dynamic mechanical analysis(DMA) and tensile test. The thermal stability, glass transition temperature, water resistance and other basic properties of the cured films were also evaluated. Furthermore, the effects of photoinitiator concentration and type, monomers and irradiation intensity on the kinetics of photo-curing reaction of the two systems were investigated in detail. It was observed that the mechanical properties, thermal stability and physical properties of the cured films were significantly improved with the increase of the content of HEA monomer.
引文
[1]XU H,QIU F,WANG Y,et al.Uv-curable waterborne polyurethane-acrylate:preparation,characterization and properties[J].Progress in Organic Coatings,2012,73(1):47-53.
[2]MAO H,QIANG S,XU Y,et al.Synthesis of polymeric dyes based on UV curable multifunctional waterborne polyurethane for textile coating[J].New Journal of Chemistry,2016,41(2):619-627.
[3]YU B,WANG X,XING W,et al.UV-curable functionalized graphene oxide/polyurethane acrylate nanocomposite coatings with enhanced thermal stability and mechanical properties[J].Industrial&Engineering Chemistry Research,2012,51(45):14629-14636.
[4]WANG J,ZHANG H,MIAO Y,et al.UV-curable waterborne polyurethane from CO2-polyol with high hydrolysis resistance[J].Polymer,2016,100:219-226.
[5]HWANG H D,PARK C H,MOON J I,et al.UV-curing behavior and physical properties of waterborne UV-curable polycarbonate-based polyurethane dispersion[J].Progress in Organic Coatings,2011,72(4):663-675.
[6]GE Z,HUANG C,ZHOU C,et al.Synthesis of a novel UV crosslinking waterborne siloxane-polyurethane[J].Progress in Organic Coatings,2016,90:304-308.
[7]YU F,CAO L,MENG Z H,et al.Crosslinked waterborne polyurethane with high waterproof performance[J].Polymer Chemistry,2016,7(23):3913-3922.
[8]SUBRAMANI S,PARK Y J,LEE Y S,et al.New development of polyurethane dispersion derived from blocked aromatic diisocyanate[J].Progress in Organic Coatings,2003,48(1):71-79.
[9]WANG C,LI X,DU B,et al.Preparation and properties of a novel waterborne fluorinated polyurethane-acrylate hybrid emulsion[J].Colloid&Polymer Science,2014,292(3):579-587.
[10]XU H,QIU F,WANG Y,et al.Preparation,mechanical properties of waterborne polyurethane and crosslinked polyurethane-acrylate composite[J].Journal of Applied Polymer Science,2012,124(2):958-968.
[11]LI K,SHEN Y,FEI G,et al.Preparation and properties of castor oil/pentaerythritoltriacrylate-based UV curable waterborne polyurethane acrylate[J].Progress in Organic Coatings,2015,78:146-154.
[12]LLORENTE O,FEMáNDEZ-BERRIDI M J,GONZáLEZA,et al.Study of the crosslinking process of waterborne UV curable polyurethane acrylates[J].Progress in Organic Coatings,2016,99:437-442.
[13]LIAO H,ZHANG B,HUANG L,et al.The utilization of carbon nitride to reinforce the mechanical and thermal properties of UV-curable waterborne polyurethane acrylate coatings[J].Progress in Organic Coatings,2015,89:35-41.
[14]YU B,WANG X,XING W,et al.UV-curable functionalized graphene oxide/polyurethane acrylate nanocomposite coatings with enhanced thermal stability and mechanical properties[J].Industrial&Engineering Chemistry Research,2012,51(45):14629-14636.
[15]ZHANG Y,ASIF A,SHI W.Highly branched polyurethane acrylates and their waterborne UV curing coating[J].Progress in Organic Coatings,2011,71(3):295-301.
[16]NAYAK B R,MATHIAS L J.A novel photoinimer for the polymerization of acrylates and methacrylates[J].Journal of Polymer Science Part A Polymer Chemistry,2005,43(22):5661-5670.
[17]韩婧,何勇,聂俊.邻羟基环己基丙烯酸酯光聚合动力学研究[J].信息记录材料,2007,8(4):13-17.
[2]MAO H,QIANG S,XU Y,et al.Synthesis of polymeric dyes based on UV curable multifunctional waterborne polyurethane for textile coating[J].New Journal of Chemistry,2016,41(2):619-627.
[3]YU B,WANG X,XING W,et al.UV-curable functionalized graphene oxide/polyurethane acrylate nanocomposite coatings with enhanced thermal stability and mechanical properties[J].Industrial&Engineering Chemistry Research,2012,51(45):14629-14636.
[4]WANG J,ZHANG H,MIAO Y,et al.UV-curable waterborne polyurethane from CO2-polyol with high hydrolysis resistance[J].Polymer,2016,100:219-226.
[5]HWANG H D,PARK C H,MOON J I,et al.UV-curing behavior and physical properties of waterborne UV-curable polycarbonate-based polyurethane dispersion[J].Progress in Organic Coatings,2011,72(4):663-675.
[6]GE Z,HUANG C,ZHOU C,et al.Synthesis of a novel UV crosslinking waterborne siloxane-polyurethane[J].Progress in Organic Coatings,2016,90:304-308.
[7]YU F,CAO L,MENG Z H,et al.Crosslinked waterborne polyurethane with high waterproof performance[J].Polymer Chemistry,2016,7(23):3913-3922.
[8]SUBRAMANI S,PARK Y J,LEE Y S,et al.New development of polyurethane dispersion derived from blocked aromatic diisocyanate[J].Progress in Organic Coatings,2003,48(1):71-79.
[9]WANG C,LI X,DU B,et al.Preparation and properties of a novel waterborne fluorinated polyurethane-acrylate hybrid emulsion[J].Colloid&Polymer Science,2014,292(3):579-587.
[10]XU H,QIU F,WANG Y,et al.Preparation,mechanical properties of waterborne polyurethane and crosslinked polyurethane-acrylate composite[J].Journal of Applied Polymer Science,2012,124(2):958-968.
[11]LI K,SHEN Y,FEI G,et al.Preparation and properties of castor oil/pentaerythritoltriacrylate-based UV curable waterborne polyurethane acrylate[J].Progress in Organic Coatings,2015,78:146-154.
[12]LLORENTE O,FEMáNDEZ-BERRIDI M J,GONZáLEZA,et al.Study of the crosslinking process of waterborne UV curable polyurethane acrylates[J].Progress in Organic Coatings,2016,99:437-442.
[13]LIAO H,ZHANG B,HUANG L,et al.The utilization of carbon nitride to reinforce the mechanical and thermal properties of UV-curable waterborne polyurethane acrylate coatings[J].Progress in Organic Coatings,2015,89:35-41.
[14]YU B,WANG X,XING W,et al.UV-curable functionalized graphene oxide/polyurethane acrylate nanocomposite coatings with enhanced thermal stability and mechanical properties[J].Industrial&Engineering Chemistry Research,2012,51(45):14629-14636.
[15]ZHANG Y,ASIF A,SHI W.Highly branched polyurethane acrylates and their waterborne UV curing coating[J].Progress in Organic Coatings,2011,71(3):295-301.
[16]NAYAK B R,MATHIAS L J.A novel photoinimer for the polymerization of acrylates and methacrylates[J].Journal of Polymer Science Part A Polymer Chemistry,2005,43(22):5661-5670.
[17]韩婧,何勇,聂俊.邻羟基环己基丙烯酸酯光聚合动力学研究[J].信息记录材料,2007,8(4):13-17.