CN112300545A - 一种pet发泡材料母粒及其制备方法 - Google Patents
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Abstract
本发明公开了一种PET发泡材料母粒及其制备方法，包括40‑60组份PET颗粒体、20‑30组份滑石粉、4‑8组份纳米稀土、5‑7组份稀土化合物、2‑5组份石墨烯、15‑30组份环氧树脂、8‑12组份纳米竹炭粉。采用以下步骤制备而成：备料，按比例称取PET颗粒体、滑石粉、纳米稀土、稀土化合物、石墨烯、纳米竹炭粉、环氧树脂；混料，将纳米稀土、稀土化合物、石墨烯、纳米竹炭粉、环氧树脂均匀混合；加入促进剂；搅拌，将混合物加热至100‑250℃，施加0.5‑0.6MPa压力，搅拌2‑3小时；冷却，冷却至常温备用；加入主料，PET颗粒体、滑石粉；造粒，放入造粒机，进行造粒。本发明提供的PET发泡材料母粒生产的PET泡沫阻燃性强，耐高温，强度高，抗老化性能好。
Description
技术领域
本发明涉及塑料领域，具体为一种PET发泡材料母粒及其制备方法。
背景技术
PET泡沫具有良好的耐热性、力学强度及环保性能，因此在建筑、车辆、屋顶隔热材料、运动器材、风能等领域被广泛应用。但是，现有的PET泡沫材料很难达到B2级阻燃，一般耐温125℃，常温环境下容易变形弯曲，高温条件下伸缩比较大，阻燃性较差，不耐高温，抗老化性能较差。
发明内容
本发明的目的在于提供一种PET发泡材料母粒及其制备方法，可以轻松的对PET泡沫进行吊装、翻转等操作。
为实现上述目的，本发明提供如下技术方案：一种PET发泡材料母粒，其特征在于：包括40-60组份PET颗粒体、20-30组份滑石粉、4-8组份纳米稀土、5-7组份稀土化合物、2-5组份石墨烯、15-30组份环氧树脂、8-12组份纳米竹炭粉。
一种PET发泡材料母粒制备方法，包涵以下步骤：
S1，备料，按比例称取PET颗粒体、滑石粉、纳米稀土、稀土化合物、石墨烯、纳米竹炭粉、环氧树脂；
S2，混料，将纳米稀土、稀土化合物、石墨烯、纳米竹炭粉、环氧树脂均匀混合；
S3，加入促进剂，将S2得到的混合物加入其总质量1-2％的促进剂，再次混合；
S4，搅拌，将S3得到的合物加热至100-250℃，施加0.5-0.6MPa压力，搅拌2-3小时；
S5，冷却，冷却至常温备用；
S6，加入主料，将S1称取的PET颗粒体、滑石粉，与S5得到的物质混合；
S7，造粒，将S6混合物放入造粒机，进行造粒。
与现有技术相比，本发明的有益效果如下：本发明提供的PET发泡材料母粒生产的PET泡沫阻燃性强，耐高温，强度高，阻燃可达到A1级；可耐230℃高温2-3小时、30分钟左右承受250℃高温；相同密度的PET泡沫，其强度可相应提高30％左右；同一温度下伸缩比可减小40％；抗老化性能好。
具体实施方式
下面所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
实施例1
一种PET发泡材料母粒制备方法，包涵以下步骤：
S1，备料，按比例称取60组份PET颗粒体、30组份滑石粉、8组份纳米稀土、7组份稀土化合物、5组份石墨烯、12组份纳米竹炭粉、30组份环氧树脂；
S2，混料，将纳米稀土、稀土化合物、石墨烯、纳米竹炭粉、环氧树脂均匀混合；
S3，加入促进剂，将S2得到的混合物加入其总质量2％的促进剂，再次混合；
S4，搅拌，将S3得到的合物加热至250℃，施加0.6MPa压力，搅拌3小时；
S5，冷却，冷却至常温备用；
S6，加入主料，将S1称取的PET颗粒体、滑石粉，与S5得到的物质混合；
S7，造粒，将S6混合物放入造粒机，进行造粒。
实施例2
一种PET发泡材料母粒制备方法，包涵以下步骤：
S1，备料，按比例称取40组份PET颗粒体、20组份滑石粉、4组份纳米稀土、5组份稀土化合物、2组份石墨烯、8组份纳米竹炭粉、15组份环氧树脂；
S2，混料，将纳米稀土、稀土化合物、石墨烯、纳米竹炭粉、环氧树脂均匀混合；
S3，加入促进剂，将S2得到的混合物加入其总质量1％的促进剂，再次混合；
S4，搅拌，将S3得到的合物加热至100℃，施加0.5MPa压力，搅拌2小时；
S5，冷却，冷却至常温备用；
S6，加入主料，将S1称取的PET颗粒体、滑石粉，与S5得到的物质混合；
S7，造粒，将S6混合物放入造粒机，进行造粒。
实施例3
一种PET发泡材料母粒制备方法，包涵以下步骤：
S1，备料，按比例称取50组份PET颗粒体、25组份滑石粉、6组份纳米稀土、6组份稀土化合物、4组份石墨烯、10组份纳米竹炭粉、20组份环氧树脂；
S2，混料，将纳米稀土、稀土化合物、石墨烯、纳米竹炭粉、环氧树脂均匀混合；
S3，加入促进剂，将S2得到的混合物加入其总质量1.5％的促进剂，再次混合；
S4，搅拌，将S3得到的合物加热至200℃，施加0.6MPa压力，搅拌3小时；
S5，冷却，冷却至常温备用；
S6，加入主料，将S1称取的PET颗粒体、滑石粉，与S5得到的物质混合；
S7，造粒，将S6混合物放入造粒机，进行造粒。
采用本发明技术方案的PET发泡材料母粒生产的PET泡沫阻燃性强，耐高温，强度高，阻燃可达到A1级；可耐230℃高温2-3小时、30分钟左右承受250℃高温；相同密度的PET泡沫，其强度可相应提高30％左右；同一温度下伸缩比可减小40％；抗老化性能好。
Claims (3)
1.一种PET发泡材料母粒，其特征在于：包括40-60组份PET颗粒体、20-30组份滑石粉、4-8组份纳米稀土、5-7组份稀土化合物、2-5组份石墨烯、15-30组份环氧树脂、8-12组份纳米竹炭粉。
2.一种PET发泡材料母粒，其特征在于：包括50-60组份PET颗粒体、25-30组份滑石粉、5-7组份纳米级稀土、5-7组份稀土化合物、3-4组份石墨烯、20-25组份环氧树脂、8-12组份纳米竹炭粉。
3.一种PET发泡材料母粒制备方法，其特征在于：包涵以下步骤：
S1，备料，按比例称取PET颗粒体、滑石粉、纳米稀土、稀土化合物、石墨烯、纳米竹炭粉、环氧树脂；
S2，混料，将纳米稀土、稀土化合物、石墨烯、纳米竹炭粉、环氧树脂均匀混合；
S3，加入促进剂，将S2得到的混合物加入其总质量1-2％的促进剂，再次混合；
S4，搅拌，将S3得到的合物加热至100-250℃，施加0.5-0.6MPa压力，搅拌2-3小时；
S5，冷却，冷却至常温备用；
S6，加入主料，将S1称取的PET颗粒体、滑石粉，与S5得到的物质混合；
S7，造粒，将S6混合物放入造粒机，进行造粒。
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010027159A1 (en) * | 2000-03-07 | 2001-10-04 | Masami Kaneyoshi | Method for preparation of sintered body of rare earth oxide |
| CN104927313A (zh) * | 2015-06-05 | 2015-09-23 | 广东天保新材料有限责任公司 | 一种高强度高耐温阻燃玻纤增强pet材料及其制备方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010027159A1 (en) * | 2000-03-07 | 2001-10-04 | Masami Kaneyoshi | Method for preparation of sintered body of rare earth oxide |
| CN104927313A (zh) * | 2015-06-05 | 2015-09-23 | 广东天保新材料有限责任公司 | 一种高强度高耐温阻燃玻纤增强pet材料及其制备方法 |
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