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Coating agent, preparation method thereof, packaging box adopting coating agent and manufacturing method of packaging box

A production method and technology of coating agent, which can be used in coatings, paper coatings, wax coatings, etc., can solve problems such as secondary pollution, unstable air permeability, and inability to truly achieve exhaust effects, and achieve extended shelf life and safety. Good results

Active Publication Date: 2018-03-06
SHANGHAI VENUS PACKAGE MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] Its defect is: the composition of this formula is a water-based polymer. When its coating contacts with the meat food inside, it absorbs water and dissolves, which will cause secondary pollution
[0017] The production process of traditional packaging boxes: choose a suitable base material, and dissolve CO 2 The coating agent is coated on the substrate, during the coating process, CO 2 It is released after being heated, leaving a gap, but the gap is quickly filled by the flowing wax, and the air permeability is unstable, so the exhaust effect cannot be really realized

Method used

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  • Coating agent, preparation method thereof, packaging box adopting coating agent and manufacturing method of packaging box

Examples

Experimental program
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Effect test

Embodiment 1

[0040] S1, weigh 55g food-grade paraffin, 16g food-grade microcrystalline wax, 15g ethylene-vinyl acetate copolymer, 7g polyethylene and 7g styrene-isoprene-styrene block copolymer;

[0041] S2, put food-grade paraffin and food-grade microcrystalline wax into the reaction kettle, heat to 120°C, and stir for 15 minutes after the food-grade paraffin and food-grade microcrystalline wax are completely melted;

[0042] S3, add ethylene-vinyl acetate copolymer, polyethylene and styrene-isoprene-styrene block copolymer to S2 in turn, stir for 30 minutes after complete melting.

Embodiment 2

[0044] S1, weigh 60g food-grade paraffin, 20g food-grade microcrystalline wax, 10g ethylene-vinyl acetate copolymer, 5g polyethylene and 5g styrene-isoprene-styrene block copolymer;

[0045] S2, put food-grade paraffin and food-grade microcrystalline wax into the reaction kettle, heat to 120°C, and stir for 15 minutes after the food-grade paraffin and food-grade microcrystalline wax are completely melted;

[0046] S3, add ethylene-vinyl acetate copolymer, polyethylene and styrene-isoprene-styrene block copolymer to S2 in turn, stir for 30 minutes after complete melting.

Embodiment 3

[0048] S1, weigh 65g food-grade paraffin, 24g food-grade microcrystalline wax, 5g ethylene-vinyl acetate copolymer, 3g polyethylene and 3g styrene-isoprene-styrene block copolymer;

[0049] S2, put food-grade paraffin and food-grade microcrystalline wax into the reaction kettle, heat to 120°C, and stir for 15 minutes after the food-grade paraffin and food-grade microcrystalline wax are completely melted;

[0050] S3, add ethylene-vinyl acetate copolymer, polyethylene and styrene-isoprene-styrene block copolymer to S2 in turn, stir for 30 minutes after complete melting.

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Abstract

The invention discloses a coating agent. The coating agent is characterized by being prepared from food grade paraffin, food grade microcrystalline wax, ethylene-vinyl acetate copolymer and a polyethylene and styrene-isoprene-styrene segmented copolymer. The coating agent is used for coating a packaging box, and the packaging box achieves the effects of resisting water, achieving breathability andretaining freshness.

Description

technical field [0001] The invention relates to the technical field of food packaging, in particular to a waterproof and air-gassing coating agent, a preparation method of the coating agent, a packaging box using the coating agent and a manufacturing method of the packaging box. Background technique [0002] The packaging of compressed frozen meat products mainly uses special waterproof and fresh-keeping food-grade wax-coated packaging boxes. In order to meet the requirements of long-term storage and freshness preservation, this type of compressed frozen food has very strict requirements on packaging, requiring absolute waterproof and moisture-proof. It can exhaust but not intake, and the internal gas of compressed and frozen food is completely discharged, and the contact surface with the packaging box is smooth and flat without pits and is easy to peel off. [0003] The technical requirements for waterproof, exhaust and fresh-keeping food wax-coated packaging products are a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D191/06C09D123/08C09D123/06C09D153/02D21H19/18D21H19/20D21H19/22
CPCC09D191/06D21H19/18D21H19/20D21H19/22C08L91/06C08L23/0853C08L23/06C08L53/02
Inventor 胡雷激
Owner SHANGHAI VENUS PACKAGE MATERIALS
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