CN202742735U - 双层食品级石头纸 - Google Patents
双层食品级石头纸 Download PDFInfo
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- CN202742735U CN202742735U CN 201220086273 CN201220086273U CN202742735U CN 202742735 U CN202742735 U CN 202742735U CN 201220086273 CN201220086273 CN 201220086273 CN 201220086273 U CN201220086273 U CN 201220086273U CN 202742735 U CN202742735 U CN 202742735U
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Abstract
本实用新型涉及双层食品级石头纸，本实用新型的石头纸由第一层1和第二层2构成，两层总共厚度为0.72mm～0.88mm，第一层为线性低密度聚乙烯，第二层为碳酸钙和高密度聚乙烯。本实用新型完全改变了传统造纸高能耗、高污染的特点，原料来源及生产过程均不会造成对环境的破坏，产品可回收再利用，符合现代环保的要求。
Description
技术领域
本实用新型涉及到一种石头纸制品，尤其是一种可以作食品包装用石头纸。
背景技术
纸制品是我们在食品包装中不可缺少的一种包装材料，如糖果纸包装、食品袋包装、熟食品包装等等。直接接触食品的称为内包装纸，主要要求清洁，不带病菌，具有防潮、防油、防粘、防霉等特性。外包装纸主要为了美化和保护商品，除要求一定物理强度外，还需洁净美观，适于印刷多色的商品图案和文字。供牛奶、菜汁等液体饮料的包装纸，还必须具有极好防渗透性。
现在我们采用的食品包装纸还主要采用的是木浆纸，以原木浆作为造纸材料，这在环保方面的危害是可想而知的，所以我们一直希望有一种能满足食品包装的标谁，又能更大程度地保护我们环境的食品包装纸。
实用新型内容
为了解决上述问题，本实用新型提供了一种双层食品级石头纸，
本实用新型的石头纸由第一层1和第二层2构成，两层总共厚度为0.72mm～0.88mm，第一层为线性低密度聚乙烯，第二层为碳酸钙和高密度聚乙烯。
本实用新型技术能代替现有的部分纸制品，本实用新型专利的技术方案是通过廉价矿物纤维粉体为主要原材料，通过改性得到一种具有良好相容性和热塑加工性的改性矿物纤维，该改性矿物纤维粉体不同于滑石粉等填料，本实用新型完全改变了传统造纸高能耗、高污染的特点，原料来源及生产过程均不会造成对环境的破坏，产品可回收再利用，符合现代环保的要求。
附图说明
图1本实用新型结构图。
具体实施方式
下面结合图1及具体实施例，进一步说明本实用新型专利技术。
本实用新型较佳的实施方案为：第二层纸是由80％碳酸钙、15％高密度聚乙烯、5％复合改性剂组成。第二层占总重量的85％～90％。
本实用新型专利的技术方案是通过廉价矿物纤维粉体为主要原材料，通过改性得到一种具有良好相容性和热塑加工性的改性矿物纤维，该改性矿物纤维粉体不同于滑石粉等填料，它是介于植物短纤维与传统填料之间的新型纤维造纸材料，通过与生物增韧剂、增塑剂、相容剂、润滑剂等的助剂的反应，利用先进的反应在特种螺杆中挤出造粒，粒料具有良好的热塑加工性，可通过专用设备进行压延、吹膜、流延等多种加工，制得石头纸。本实用新型技术可采用1250目以上的食品级的碳酸钙粉体，增塑聚合物和辅助性成分为原料，经螺杆挤出设备和制纸设备加工而成，然后用吹膜机吹膜即可。
上面已结合附图对本实用新型的具体实施方式进行了示例性的描述，显然本实用新型不限于此，在本实用新型范围内进行的各种改型均没有超出本实用新型的保护范围。
Claims (1)
1.双层食品级石头纸，其特征在于，它由第一层(1)和第二层(2)构成，两层总共厚度为0.72mm～0.88mm，第一层(1)为线性低密度聚乙烯。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220086273 CN202742735U (zh) | 2012-03-09 | 2012-03-09 | 双层食品级石头纸 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220086273 CN202742735U (zh) | 2012-03-09 | 2012-03-09 | 双层食品级石头纸 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202742735U true CN202742735U (zh) | 2013-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220086273 Expired - Fee Related CN202742735U (zh) | 2012-03-09 | 2012-03-09 | 双层食品级石头纸 |
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| Country | Link |
|---|---|
| CN (1) | CN202742735U (zh) |
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2012
- 2012-03-09 CN CN 201220086273 patent/CN202742735U/zh not_active Expired - Fee Related
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| C14 | Grant of patent or utility model | ||
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Owner name: CHENGDU XINYUANDA TRADE CO., LTD. Free format text: FORMER OWNER: WANG SUZHI Effective date: 20140820 |
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Free format text: CORRECT: ADDRESS; FROM: 610000 CHENGDU, SICHUAN PROVINCE TO: 610041 CHENGDU, SICHUAN PROVINCE |
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Effective date of registration: 20140820 Address after: 610041 Sichuan city of Chengdu province high tech Zone No. 85 North Street Shichiku Patentee after: Chengdu Xin Yuan Da Trading Co., Ltd. Address before: 610000 No. 12, No. 5, building 23, 1 min Lu, Wuhou District, Sichuan, Chengdu Patentee before: Wang Suzhi |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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