一种耐低温丙烯酸酯压敏胶及其制备方法
本发明公开一种耐低温丙烯酸酯压敏胶及其制备方法,该压敏胶由30‑40%软单体、0.5‑2%功能单体、0.5‑2.5%反应型柔性齐聚物、1‑5%低软化点增粘树脂、0.01‑0.1%引发剂、55‑65%溶剂及0.2‑0.5%乙酰丙酮铝‑乙酰丙酮固化剂制成,制备时先混合单体,再分步投加单体与引发剂、分阶段保温反应,降温后加入剩余原料搅匀,该压敏胶在‑20℃仍具高粘性,常温粘接性能优异,适配PVC膜等材,拓展应用场景,且工艺稳定可控,易产业化。
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