陕西科技大学学报(自然科学版)
陝西科技大學學報(自然科學版)
협서과기대학학보(자연과학판)
JOURNAL OF SHAANXI UNIVERSITY OF SCIENCE & TECHNOLOGY
2015年
4期
80-83,99
,共5页
费贵强%李晓扬%包一岑%王海花
費貴彊%李曉颺%包一岑%王海花
비귀강%리효양%포일잠%왕해화
甲基丙烯酸羟丙酯%聚丙烯酸酯%胶黏剂%内交联
甲基丙烯痠羥丙酯%聚丙烯痠酯%膠黏劑%內交聯
갑기병희산간병지%취병희산지%효점제%내교련
hydroxypropyl acrylate%polyacrylate%adhesive%self-crosslinking
以甲基丙烯酸缩水甘油酯(GMA)为内固化剂,制备了一类丙烯酸羟丙酯(HPA)改性的水性丙烯酸酯类胶黏剂,探讨了 HPA的含量对胶黏剂乳液粒径,黏度,吸水率,流变性,成膜强度及剥离强度的影响.研究结果表明,HPA的加入改善了丙烯酸酯胶黏剂的使用性能,当HPA用量为2%时,其乳液粒径下降至最小95.7 nm ,相应乳液黏度上升,触变性增强,PVC与织物间的粘结剥离强度从17.6N/25mm提升至28.2N/25mm ,拉伸强度上升至最大18.7MPa ,当HPA用量为1%时,乳液吸水率达到最低值4.1%,呈现良好的耐水性.
以甲基丙烯痠縮水甘油酯(GMA)為內固化劑,製備瞭一類丙烯痠羥丙酯(HPA)改性的水性丙烯痠酯類膠黏劑,探討瞭 HPA的含量對膠黏劑乳液粒徑,黏度,吸水率,流變性,成膜彊度及剝離彊度的影響.研究結果錶明,HPA的加入改善瞭丙烯痠酯膠黏劑的使用性能,噹HPA用量為2%時,其乳液粒徑下降至最小95.7 nm ,相應乳液黏度上升,觸變性增彊,PVC與織物間的粘結剝離彊度從17.6N/25mm提升至28.2N/25mm ,拉伸彊度上升至最大18.7MPa ,噹HPA用量為1%時,乳液吸水率達到最低值4.1%,呈現良好的耐水性.
이갑기병희산축수감유지(GMA)위내고화제,제비료일류병희산간병지(HPA)개성적수성병희산지류효점제,탐토료 HPA적함량대효점제유액립경,점도,흡수솔,류변성,성막강도급박리강도적영향.연구결과표명,HPA적가입개선료병희산지효점제적사용성능,당HPA용량위2%시,기유액립경하강지최소95.7 nm ,상응유액점도상승,촉변성증강,PVC여직물간적점결박리강도종17.6N/25mm제승지28.2N/25mm ,랍신강도상승지최대18.7MPa ,당HPA용량위1%시,유액흡수솔체도최저치4.1%,정현량호적내수성.
A waterborne acrylate adhesive modified by hydroxypropyl acrylate (HPA ) has been synthesized via glycidyl methacrylate (GM A ) as inner curing agent ,the effect of the HPA content on latex particle size ,viscosity ,water absorption ,rheology ,film strength ,and peel strength were discussed ,the result indicated that HPA has improved performance of ac‐rylate adhesive ,the particle size has been decreased to 95 .7 nm when HPA content was 2% , w hile the corresponding viscosity and thixotropy increased ,the peel strength has increased from 17 .6 N/25 mm to 28 .2 N/25 mm ,maximum tensile strength reached to 18 .7 MPa .And the lowest water absorption was achieved to 4 .1% when usage of HPA was 1% ,which show ed good w ater resistance .