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A kind of label paper used in fresh cold chain process and preparation method thereof

A label paper and cold chain technology, which is applied in the field of label paper and its preparation, can solve the problem that label paper cannot meet the needs of fresh cold chain, and achieves the effects of reasonable step design, reasonable structure design and excellent performance.

Active Publication Date: 2021-12-07
宁波心维标签制品有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] At present, ordinary label paper cannot meet the needs of the fresh cold chain process, so it is still a problem to be perfected to provide a label paper that can be used under low temperature and high humidity conditions

Method used

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  • A kind of label paper used in fresh cold chain process and preparation method thereof
  • A kind of label paper used in fresh cold chain process and preparation method thereof
  • A kind of label paper used in fresh cold chain process and preparation method thereof

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Effect test

Embodiment

[0070] Embodiment: A kind of label paper structure used in the fresh cold chain process of this embodiment is as follows figure 1 As shown, its preparation method is as follows figure 2 Described comprises the following steps:

[0071] (1) Base paper layer preparation: Add 50 parts of long-fiber pulp, 15 parts of short-fiber pulp and 15 parts of waste paper pulp into the pulper, after crushing, pump into the pulping car for beating, control the beating concentration to 3%, and beat The temperature is 28°SR; add 8 parts of PAE wet strength agent, 5 parts of toughening agent linear low density polyethylene powder and 4 parts of adhesive polyvinyl alcohol resin PVA1799, mix and pass through a pressure sieve, and then add an appropriate amount of auxiliary Retaining agent and sizing agent, control the ash content at 4%, and then dry the surface, dry it through a soft calender for soft roll calendering, the pressure is 120kN / m, the temperature of the roll surface is 100°C, soft p...

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Abstract

The invention discloses a label paper used in the fresh cold chain process and a preparation method thereof. The label paper is divided into a bottom paper layer, an adhesive layer, a silicone oil layer, and a release paper base sheet. It consists of a modified base paper layer and a surface coating layer of the base paper layer. The base paper layer surface coating layer is covered on the base paper layer outer surface; the adhesive layer is evenly covered on one side surface of the base paper layer of the base paper layer surface coating layer; the silicone oil layer is attached to the release paper base sheet on the side surface and bonded with adhesive. The label paper preparation process is mainly divided into steps such as base paper layer preparation, base paper layer surface coating preparation, backing paper preparation, coating, drying, calendering, backing paper, packaging and warehousing. The label paper produced by the present invention has a higher Low temperature resistance and wet strength can meet the use requirements in the fresh cold chain process.

Description

technical field [0001] The invention relates to a label paper and a preparation method thereof, in particular to a label paper used in a fresh food cold chain process and a preparation method thereof. Background technique [0002] In daily life, you can often see label paper pasted on various products. Generally, this kind of label paper only needs to have excellent adhesion and certain strength. [0003] In the fresh food cold chain process, because it is always at a lower temperature, the refrigeration temperature of refrigerated food is usually between 0 and 10°C, while the refrigeration temperature of frozen food is lower, generally between -20°C and - between 1°C. Compared with ordinary label paper, the label paper in the early fresh cold chain process is affected by the use environment, and its requirements are higher than ordinary label paper. [0004] The basic requirements for label paper used in the fresh cold chain process are: [0005] 1. Under the condition o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D21H27/30D21H15/02D21H15/06D21H11/14D21H21/20D21H21/18D21H19/20D21H19/24D21H19/22D21H19/14D21H17/36D21H17/35D21H17/55D21H21/16D21H21/10B31F5/00G09F3/02B32B29/00B32B7/12B32B7/06
CPCB31F5/00B32B7/06B32B7/12B32B29/005B32B2255/12B32B2255/20D21H11/14D21H15/02D21H15/06D21H17/35D21H17/36D21H17/55D21H19/14D21H19/20D21H19/22D21H19/24D21H21/10D21H21/16D21H21/18D21H21/20D21H27/30G09F3/0288G09F2003/0257
Inventor 廖观贞
Owner 宁波心维标签制品有限公司
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