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Method for modifying natural emulsion adopting compound of sodium alginate and prolamine

A technology of gliadin and sodium alginate, applied in the field of sodium alginate-gliadin complex modified natural latex, natural latex modification, to achieve good affinity, good biodegradability, and reduce spillage Effect

Active Publication Date: 2014-03-26
乐福思健康用品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, natural latex has poor oil resistance and aging resistance due to unsaturated double bonds, and the trace water-soluble protein in it can cause allergic reactions in the human body.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A method for modifying natural latex with sodium alginate-gliadin compound, the steps are:

[0014] (1) Preparation of sodium alginate-prolamin protein complex: dissolve 20 parts of sodium alginate in water, add 2 parts of zein to the solution, mix well and freeze-dry, then place the freeze-dried product at 30°C Heating at low temperature for 30 minutes to obtain the sodium alginate-prolamin covalent complex for later use;

[0015] (2) Preparation of modified latex film: Prepare the above-mentioned sodium alginate-prolamin covalent complex into an aqueous solution, mix and stir with 2000 parts of natural latex liquid evenly, and perform latex film vulcanization treatment. After the emulsion is stable and free of bubbles, Cast at 70°C to form a film to obtain a modified latex film. All the above are parts by weight.

Embodiment 2

[0017] A method for modifying natural latex with sodium alginate-gliadin compound, the steps are:

[0018] (1) Preparation of sodium alginate-prolamin protein complex: dissolve 20 parts of sodium alginate in water, add 2 parts of wheat prolamin to the solution, mix well and freeze-dry, then place the freeze-dried product at 30°C Heating at low temperature for 30 minutes to obtain the sodium alginate-prolamin covalent complex for later use;

[0019] (2) Preparation of modified latex film: Prepare the above-mentioned sodium alginate-prolamin covalent compound into an aqueous solution, mix and stir with 1500 parts of natural latex liquid evenly, and perform latex film vulcanization treatment. After the emulsion is stable and free of bubbles, Cast at 70°C to form a film to obtain a modified latex film. All the above are parts by weight.

Embodiment 3

[0021] A method for modifying natural latex with sodium alginate-gliadin compound, the steps are:

[0022] (1) Preparation of sodium alginate-prolamin protein complex: dissolve 20 parts of sodium alginate in water, add 1 part of zein to the solution, mix well and freeze-dry, then place the freeze-dried product at 30°C Heating at low temperature for 30 minutes to obtain the sodium alginate-prolamin covalent complex for later use;

[0023] (2) Preparation of modified latex film: Prepare the above-mentioned sodium alginate-prolamin covalent complex into an aqueous solution, mix and stir with 800 parts of natural latex liquid, and perform latex film vulcanization treatment. After the emulsion is stable and free of bubbles, Cast at 70°C to form a film to obtain a modified latex film. All the above are parts by weight.

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PUM

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Abstract

A method for modifying a natural emulsion adopting a compound of sodium alginate and prolamine comprises the following steps: (1) preparing the protein compound of sodium alginate and prolamine: dissolving sodium alginate in water, adding prolamine into the solution, mixing uniformly, freezing, drying, and heating the frozen and dried product at 30 DEG C for 30 min to obtain the compound of sodium alginate and prolamine for later use; (2) preparing modified emulsion film: preparing a water solution of covalent compound of sodium alginate and prolamine, mixing the solution and the natural emulsion uniformly, performing emulsion film vulcanization treatment, concreting to form at 70 DEG C when the emulsion solution is stable and generates no bubbles to obtain the modified emulsion film. The natural emulsion prepared by the invention has age resistance and allergy resistance.

Description

technical field [0001] The invention relates to a method for modifying natural latex, in particular to a method for modifying natural latex with a sodium alginate-prolamin compound, which belongs to the field of natural polymer material processing. technical background [0002] Natural latex is a biosynthesized and renewable natural resource, which is widely used in medical catheters, medical gloves, condoms and other products due to its excellent comprehensive performance. However, natural latex has poor oil resistance and aging resistance because of containing unsaturated double bonds, and trace water-soluble proteins therein cause allergic reactions in the human body. Contents of the invention [0003] The purpose of the present invention is to provide a kind of modification method of preparing the natural latex of aging resistance, antiallergic property. [0004] In order to achieve the above object, a kind of method of sodium alginate-prolamin compound modified nat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J5/18C08L7/02C08L5/04C08L89/00
Inventor 苏建丽
Owner 乐福思健康用品有限公司