CN102352103A - Nylon heat shrinkage film - Google Patents

Nylon heat shrinkage film Download PDF

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Publication number
CN102352103A
CN102352103A CN2011101902502A CN201110190250A CN102352103A CN 102352103 A CN102352103 A CN 102352103A CN 2011101902502 A CN2011101902502 A CN 2011101902502A CN 201110190250 A CN201110190250 A CN 201110190250A CN 102352103 A CN102352103 A CN 102352103A
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CN
China
Prior art keywords
nylon
film
shrinkage
high
heat shrinkage
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CN2011101902502A
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Chinese (zh)
Inventor
刘志洪
刘烈新
吴振宇
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刘烈新
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Priority to CN2011101902502A priority Critical patent/CN102352103A/en
Publication of CN102352103A publication Critical patent/CN102352103A/en

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Abstract

The invention provides a special nylon heat shrinkage film with a high shrinkage rate, which belongs to the technical field of novel film materials. Compared with the prior art, the nylon heat shrinkage film is mainly made of polyamide, the heat shrinkage rate is as high as 50 to 100 percent, the high-shrinkage nylon film can be applied to food package and can also meet the special requirements on air blowing forming in composite material industry, the shrinkage rate is two to four times of 15 to 30 percent of the nylon heat shrinkage film in the prior art, the limitation of 15 to 30 percent of the nylon heat shrinkage rate is broken through, simultaneously, the toughness of the high-shrinkage nylon film is better, the anti-impact intensity is far ahead, the high-shrinkage nylon film can be more anastomotic with the special shape of a mandrel in the application of the composite material molding pressing forming mandrel, the special design is not needed, the perfect pasting can be realized only through easily heating the film to the required temperature and maintaining the temperature for a period of time, and the problems of fracture and the like because the film is not pasted in the proper position are reduced.

Description

尼龙热收缩膜 Nylon shrink film

技术领域 FIELD

[0001] 本发明涉及薄膜新材料技术领域,是一种具有高收缩率的特殊尼龙热收缩膜。 [0001] Technical Field The present invention relates to a new film material, a special nylon heat shrinkable film having high shrinkage ratio. 背景技术 Background technique

[0002] 随着自行车行业的发展,碳纤维自行车的进步巨大,原有的工艺设计已无法完全满足特殊造型的需求,现有技术中风管的尼龙热收缩率的极限为15-30%,已然无法完全贴合奇异形状的芯轴,具有高收缩性能的风管成为迫切之需 [0002] With the development of the bicycle industry, huge advances in carbon fiber bicycle, the original process design has been unable to fully meet the needs of special shape, limit nylon thermal shrinkage of the prior art stroke tube is 15-30%, already not completely fit odd-shaped mandrel having high shrinkage properties become crucial need duct

发明内容 SUMMARY

[0003] 为解决现有技术中尼龙风管所存在的缺陷和问题,提供一种采用内置可熔解芯材工艺的尼龙热收缩膜。 [0003] In order to solve the prior art wind the nylon tube flaws and problems, there is provided a built-melting nylon shrink film core technology employed.

[0004] 本发明为解决其技术问题所采用的技术方案是:本发明的尼龙热收缩膜主要由聚酰胺制成,包括PA6、PA6/66、PA6/12和PA6/66/12,尼龙热收缩膜采用高聚物分子链拉伸定向原理设计,是以急冷定型的方法成型;当高聚物处于高弹态时,对其拉伸取向,然后将高聚物骤冷至玻璃化温度以下,分子取向被冻结,当对物品进行包装过程中对其加热时,由于分子热运动产生应力松驰,分子恢复原来的状态,产生收缩,尼龙热收缩膜产品具有高热收缩率,热收缩率可达50-100%,广泛应用于食品包装和复合材料模压成型芯轴领域。 [0004] Technical Solution The present invention to solve the technical problem is that: the heat-shrinkable nylon film of the present invention is mainly made of polyamide including PA6, PA6 / 66, PA6 / 12 and PA6 / 66/12, nylon heat shrink film using the polymer molecular chain orientation principle design drawing, quenching is shaped molding method; when the elastic polymer is in the high state, its stretch orientation, and then the polymer is quenched to the glass transition temperature , molecular orientation is frozen, when the article to be packaged during its heating, since the stress relaxation thermal motion of molecules, molecular restore the original state, shrinkage, heat shrinkable nylon film products having a high heat shrinkage, heat shrinkage rate can be of 50-100%, it is widely used in food packaging and molded composites mandrel art.

[0005] 本发明的有益效果是:与现有技术相比,本发明的尼龙热收缩膜的热收缩率高达50-100%,高收缩尼龙膜不仅能应用于食品包装,同时亦满足复合材料行业吹气成型特殊需求,是现有技术中尼龙热收缩膜15-30%的两至四倍,突破了尼龙热收缩率15-30%的限制,同时,高收缩尼龙膜韧性更好,抗冲击强度大幅领先,在复合材料模压成型芯轴应用中, 高收缩尼龙膜能更加吻合芯轴的奇异形状,无需专门的特殊设计,只需轻松加热至所需温度并维持一段时间,即可完美贴合,减少了薄膜因贴合不到位而产生的破裂等问题。 [0005] Advantageous effects of the invention are: compared with the prior art, thermal shrinkage of the heat-shrinkable nylon film of the present invention is 50-100% as high, not only a high shrinkage nylon membrane used in food packaging, but also to meet the composite material blow molding industry specific needs, the prior art nylon shrink film 15-30% of two to four times, breaking the nylon thermal shrinkage of 15-30% limit, at the same time, high shrinkage nylon membrane better toughness, resistance to the impact strength of a strong lead in the composite molding mandrel applications, high shrinkage nylon membrane can be more fit odd-shaped mandrel, without special special design, just easily heated to the desired temperature and maintained for a period of time, can be perfect bonding, by reducing the bonding film rupture arising problem is not in place.

具体实施方式 Detailed ways

[0006] 本发明的尼龙热收缩膜主要由聚酰胺材料制成,其包括聚酰胺中的PA6、PA6/66、 PA6/12 和PA6/66/12 等材料,PA6/66 为PA6 与PA66 的共混组合物,PA6/12 为PA6 与PA12 的共混组合物,PA6/66/12为PA6、PA66和PA12的共混组合物。 [0006] The heat shrinkable nylon film of the present invention is mainly made of a polyamide material, which comprises a polyamide PA6, materials PA6 / 66, PA6 / 12 and PA6 / 66/12, etc., PA6 / 66 as PA6 and PA66, blend composition, PA6 / 12 PA6 and PA12 to the blend composition, PA6 / 66/12 as PA6, PA66 and PA12 blend compositions. 尼龙热收缩膜采用高聚物分子链拉伸定向原理设计,是以急冷定型的方法成型;当高聚物处于高弹态时,对其拉伸取向,然后将高聚物骤冷至玻璃化温度以下,分子取向被冻结,当对物品进行包装过程中对其加热时,由于分子热运动产生应力松驰,分子恢复原来的状态,产生收缩,尼龙热收缩膜产品具有高热收缩率,热收缩率可达50-100%,突破了现有技术尼龙热收缩率15-30%的限制,由于具有100%的热收缩率,因此可以满足各种奇异形状的芯轴,广泛应用于食品包装和复合材料模压成型芯轴领域。 Nylon shrink film using the polymer molecular chain orientation stretching design principle, method of quenching is shaped molding; when the elastic polymer is in the high state, its stretch orientation, and then the polymer is quenched to the glass temperature, molecular orientation is frozen, when the article to be packaged during its heating, since the stress relaxation thermal motion of molecules, molecular restore the original state, shrinkage, heat shrinkable nylon film products having a high heat shrinkage, heat shrinkage rate of 50-100%, breaking the prior art nylon thermal shrinkage of 15-30% limit, due to the 100% thermal shrinkage, it can cater for all kinds of odd-shaped mandrel, widely used in food packaging and composite molding mandrel art.

[0007] 与现有技术相比,本发明的尼龙热收缩膜的热收缩率高达50-100 %,高收缩尼龙膜不仅能应用于食品包装,同时亦满足复合材料行业吹气成型特殊需求,是现有技术中尼龙热收缩膜15-30%的两至四倍,同时,高收缩尼龙膜韧性更好,抗冲击强度大幅领先,在复合材料模压成型芯轴应用中,高收缩尼龙膜能更加吻合芯轴的奇异形状,无需专门的特殊设计,只需轻松加热至所需温度并维持一段时间,即可完美贴合,减少了薄膜因贴合不到位而产生的破裂等问题。 [0007] Compared with the prior art, thermal shrinkage of the heat-shrinkable nylon film of the present invention is 50-100% as high, not only a high shrinkage nylon membrane used in food packaging, but also to meet the special blow molding composites industry needs, the prior art is 15-30% nylon shrink film is two to four times, at the same time, high shrinkage nylon membrane better toughness, impact strength substantial lead, the mandrel molding composite applications, high shrinkage nylon membrane can more fit odd-shaped mandrel, without special special design, just easily heated to the desired temperature and maintained for a period of time, can be a perfect fit, reduce the rupture film lamination is not in place due to problems resulting. [0008] 根据本发明的实施例已对本发明进行了说明性而非限制性的描述,但应理解,在不脱离由权利要求所限定的相关保护范围的情况下,本领域的技术人员可以做出变更和/ 或修改。 [0008] The invention has been conducted in accordance with embodiments of the present invention has been described in an illustrative rather than restrictive, it should be understood that without departing from the relevant scope as defined by the claims, those skilled in the art can make the changes and / or modifications.

Claims (4)

1. 一种尼龙热收缩膜,主要由聚酰胺制成,包括PA6、PA6/66、PA6/12和PA6/66/12。 A heat shrinkable nylon film, mainly made of polyamide including PA6, PA6 / 66, PA6 / 12 and PA6 / 66/12.
2.根据权利要求1所述的尼龙热收缩膜,其特征在于,所述的尼龙热收缩膜采用高聚物分子链拉伸定向原理设计,是以急冷定型的方法成型;当高聚物处于高弹态时,对其拉伸取向,然后将高聚物骤冷至玻璃化温度以下,分子取向被冻结,当对物品进行包装过程中对其加热时,由于分子热运动产生应力松驰,分子恢复原来的状态,产生收缩。 The nylon heat-shrinkable film according to claim 1, wherein said nylon polymer shrink film using the stretching orientation of molecular chains design principle, method of forming the shaping is quenched; when the polymer is when the elastomeric state, its stretch orientation, and then the polymer is quenched to the glass transition temperature, molecular orientation is frozen, when the article to be packaged during its heating due to thermal motion of molecules stress relaxation, molecular restore the original state, shrinkage.
3.根据权利要求2所述的尼龙热收缩膜,其特征在于,所述的尼龙热收缩膜产品具有高热收缩率,热收缩率可达50-100%。 3. The heat shrinkable nylon film according to claim 2, wherein the nylon shrink film products having a high heat shrinkage, heat shrinkage rate of 50-100%.
4.根据权利要求3所述的尼龙热收缩膜,其特征在于,所述的尼龙热收缩膜应用于食品包装和复合材料模压成型芯轴领域。 4. The heat-shrinkable nylon film according to claim 3, wherein the nylon shrink film used in food packaging and molded composites mandrel art.
CN2011101902502A 2011-07-01 2011-07-01 Nylon heat shrinkage film CN102352103A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103937233A (en) * 2014-05-14 2014-07-23 厦门新旺新材料科技有限公司 Vacuum bag membrane material as well as preparation method and application thereof
CN107163572A (en) * 2017-05-22 2017-09-15 中国科学院化学研究所 A kind of high surface energy Long Carbon Chain Polyamide transparent membrane and preparation method and purposes

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5562996A (en) * 1990-06-27 1996-10-08 Gunze Limited Multi-layer films
US20040009314A1 (en) * 1992-11-13 2004-01-15 Ahlgren Kelly R. Heat shrinkable films containing single site catalyzed copolymers
CN1736813A (en) * 2004-01-09 2006-02-22 朱春英 Foodstuff packaging membrane and its manufacturing method
CN101331067A (en) * 2005-12-14 2008-12-24 M和Q塑料制品公司 High temperature venting bags

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5562996A (en) * 1990-06-27 1996-10-08 Gunze Limited Multi-layer films
US20040009314A1 (en) * 1992-11-13 2004-01-15 Ahlgren Kelly R. Heat shrinkable films containing single site catalyzed copolymers
CN1736813A (en) * 2004-01-09 2006-02-22 朱春英 Foodstuff packaging membrane and its manufacturing method
CN101331067A (en) * 2005-12-14 2008-12-24 M和Q塑料制品公司 High temperature venting bags

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103937233A (en) * 2014-05-14 2014-07-23 厦门新旺新材料科技有限公司 Vacuum bag membrane material as well as preparation method and application thereof
CN107163572A (en) * 2017-05-22 2017-09-15 中国科学院化学研究所 A kind of high surface energy Long Carbon Chain Polyamide transparent membrane and preparation method and purposes
CN107163572B (en) * 2017-05-22 2019-05-28 中国科学院化学研究所 A kind of high surface energy Long Carbon Chain Polyamide transparent membrane and preparation method and purposes

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