Frosted PET (polyethylene glycol terephthalate) packaging bottle additive and application thereof

A technology for additives and packaging bottles, which is applied in the field of frosted PET packaging bottle additives, can solve the problems affecting PET characteristics, etc., achieve the effect of improving taste, solving the defects of transparency and singleness, and maintaining smooth hand feeling

Inactive Publication Date: 2013-12-04
中山色邦塑料色母有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The application of this kind of frosting process to PET bottles will affect the original characteristics of PET

Method used

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  • Frosted PET (polyethylene glycol terephthalate) packaging bottle additive and application thereof
  • Frosted PET (polyethylene glycol terephthalate) packaging bottle additive and application thereof
  • Frosted PET (polyethylene glycol terephthalate) packaging bottle additive and application thereof

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preparation example Construction

[0023] The preparation method of the present invention is the same as that of general plastic masterbatches. The raw materials are weighed according to the proportion and mixed for 3-5 minutes, and then extruded and granulated into masterbatches with a twin-screw extruder according to conventional process parameters.

[0024] The method for preparing finished product bottle when the present invention is applied is as follows:

[0025] The prepared matte PET packaging bottle additive masterbatch and PET raw materials are mixed at a weight ratio of 1:100 to 5:100, and then blown by the set blowing machine process temperature for injection, stretching, blowing and other processes.

[0026] Polyester plastics contain metal ions, which will increase the cold crystallization temperature and cold crystallization speed of polyester plastics.

[0027] Firstly, the effect of ores rich in active hydroxyl groups and metal ions on PET crystallization is verified through verification exampl...

Embodiment 1

[0045] PET50%, illite 40%, polyethylene wax 5%, pigment 5%.

Embodiment 2

[0047] PET60%, illite 30%, microcrystalline wax 1%, pigment 9%.

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Abstract

The invention discloses a frosted PET (polyethylene glycol terephthalate) packaging bottle additive and application thereof. The frosted PET packaging bottle additive comprises the following components in weight percentage: 50-80% of PET, 5-40% of ore rich in reactive hydroxyl groups and metal ions, 1-5% of dispersing agent and 1-10% of pigment. The ore rich in reactive hydroxyl groups and metal ions is one of illite, montmorillonite and micalex. When a PET bottle material is used as a packaging product, a frosted effect is added on the basis of the original gloss and transparency, so that defects of transparency and simplicity are overcome in the PET packaging market, the taste of packaging products is enhanced, and the packaging products are diverse in type. In the PET bottle material blowing process, the frosted PET packaging bottle additive and a PET structure itself react to generate a salt and the salt is crystallized to form the frosted effect; and the original smooth hand feel of the PET bottle material is kept, so that dirt does not accumulate.

Description

【Technical field】 [0001] The invention relates to an additive for PET packaging bottles, in particular to an additive for frosted PET packaging bottles and its application. 【Background technique】 [0002] The packaging made of PET material in the market basically utilizes the transparent material of PET itself, good gloss, and good hand feeling. It is widely used in mineral water, edible oil bottles, and cosmetic packaging. Combined with the hard material of PET itself, many high-end cosmetic packaging also take advantage of its hand feeling characteristics, but the popularity of the market makes the products of PET materials appear to be of lower grade. Therefore, in order to solve this phenomenon, it is necessary to roughen the PET plastic packaging during processing and forming. Effect; Retain the feel and can be distinguished from ordinary transparent effects. Meet the diversified needs of the market. [0003] At present, the bottle material has a frosted effect in the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08K3/34
Inventor 徐钻邱其练
Owner 中山色邦塑料色母有限公司
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