Water film on inner wall of paper tableware and preparation method thereof

A tableware and paper technology, used in papermaking, paper coatings, textiles and papermaking, etc., can solve the problems of strange smell and poor processing technology, and achieve the effect of improving antibacterial properties, enhancing sensory quality and excellent plasticity

Inactive Publication Date: 2010-10-27
FUJIAN AGRI & FORESTRY UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

However, if the selected material is not good or the processing technology is not good enough, it may be oxidized to carbonyl compounds during the process of hot melting or applying polyeth

Method used

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  • Water film on inner wall of paper tableware and preparation method thereof

Examples

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Example Embodiment

[0034] Example 1: Preparation method of water barrier film on inner wall of paper tableware (such as paper cup, paper plate, paper plate, etc.)

[0035] A method for preparing a water barrier film on the inner wall of paper tableware (such as paper cups, paper plates, paper plates, etc.) includes the following steps:

[0036] 1. Membrane liquid preparation: Take potassium sorbate, emulsifier monoglyceride, polyethylene glycol PEG-400 and stearic acid and stir evenly in water, and mix them into 0.05% potassium sorbate and 0.1% monoglyceride respectively. , 0.6% polyethylene glycol PEG-400 and 0.26% stearic acid aqueous solution, with Na 2 CO 3 Adjust the pH value of the lye to pH=10, then add the modified konjac glucomannan, xanthan gum and carrageenan. The weight percentages of the added raw materials and water are the modified konjac glucomannan. 1%, xanthan gum 1% and carrageenan 1%; the modified konjac glucomannan esterification product uses benzoic acid as the konjac glucomanna...

Example Embodiment

[0043] Example 2: Performance comparison of paper tableware

[0044] The paper tableware and traditional paper tableware prepared in Example 1 were used for various experiments. Observe and record the results of the comparative experiment as shown in Table 1.

[0045] Table 1 Comparison of the paper tableware of the present invention and traditional paper tableware

[0046]

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Abstract

The invention provides a water film on an inner wall of paper tableware and a preparation method thereof. The water film on the inner wall of the paper tableware comprises the following raw materials in part by weight: 0.03 to 0.1 part of potassium sorbate, 0.05 to 0.15 part of emulsifier, 0.5 to 1 part of plasticizer, 0.2 to 0.3 part of stearic acid, 0.5 to 1.5 parts of konjac glucomannan esterified product, 0.5 to 2 parts of xanthan gum, 0.625 to 1 part of carrageenan, and 100 parts of water. The method comprises the following steps of: preparing film solution according to the raw material formula, and packaging the table ware after heating, centrifugally degassing, tableware filming, drying, samming and mellowing and sterilizing. The water film on the inner wall of the paper tableware has the advantages of no toxicity and obvious water resistance and capability of postponing transfer and diffusion of water, oil and other components in food; the konjac composite gel can coat a plurality of aromatic substances and improve the sensory quality of product; and the water film also has the advantages of water resistance, high temperature resistance, high mechanical performance, high flexibility, and no generation of harmful substances at high temperature or in the presence of oil.

Description

technical field [0001] The invention relates to a water film on the inner wall of paper tableware and a preparation method thereof. Background technique [0002] In view of the huge negative impact of traditional disposable plastic tableware on environmental resources and human health, fully biodegradable tableware has also been introduced on the market. Although it is completely biodegradable and environmentally friendly, its water barrier film still does not conform to the human body. Health requirements, and its high cost, is not conducive to popularization and application. At present, there are two main types of paper tableware on the market: wax-coated paper tableware and polyethylene-coated paper tableware. Waxed paper tableware will melt at around 40°C or in contact with oil to produce carcinogenic polycyclic aromatic hydrocarbons; polyethylene-coated paper tableware may be oxidized and cause hazards in the process of polyethylene hot-melting or smearing on paper tab...

Claims

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Application Information

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IPC IPC(8): C08L5/00C08L5/02C08K5/098C08K5/09D21H19/12
Inventor 庞杰杨金初姚闽娜范琳琳吴春华吴琳娟
Owner FUJIAN AGRI & FORESTRY UNIV
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