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Preparation method, product and application of ionic mineral plastic

A technology of minerals and plastics, applied in the field of preparation of ionic mineral plastics, which can solve the problems of poor plasticity of biopolymers

Active Publication Date: 2021-06-18
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, since the purification of these biopolymers usually requires complex chemical processes, and the plasticity of general biopolymers is poor, it is difficult for the prepared materials to be comparable to the current polymer plastics.

Method used

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  • Preparation method, product and application of ionic mineral plastic
  • Preparation method, product and application of ionic mineral plastic
  • Preparation method, product and application of ionic mineral plastic

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Embodiment Construction

[0029] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, and do not limit the protection scope of the present invention.

[0030] Preparation of calcium phosphate ion oligomer: prepare ethanol solution of calcium chloride, dissolve 11.76g calcium chloride dihydrate in 1.60L absolute ethanol, add 221.79mL triethylamine, stir for 30min, then add phosphoric acid ethanol solution dropwise (4.18mL phosphoric acid was dissolved in 80mL ethanol), stirred vigorously for 12h, and then stood still for 24h, removed the supernatant, and prepared a concentration of 10mg mL -1 ethanol solution of calcium phosphate ion oligomers.

[0031] Calcium phosphate ion mineral plastics are prepared by one-dimensio...

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Abstract

The invention discloses a preparation method of ionic mineral plastic. The method comprises the following steps: (1) carrying out molecular modification on a polyvinyl alcohol solution by using a sodium alginate solution to obtain an alginic acid modified polyvinyl alcohol linear polymer solution; (2) adding a calcium phosphate ion oligomer into the alginic acid modified polyvinyl alcohol linear polymer solution, uniformly stirring, and performing centrifugal separation on the obtained emulsion to obtain a precursor gel of an ionic mineral plastic; and (3) carrying out plastic molding or natural drying on the precursor gel of the ionic mineral plastic to obtain the ionic mineral plastic. The invention further discloses the ionic mineral plastic obtained through the preparation method and application of the ionic mineral plastic. The ionic mineral plastic prepared by the invention can be used as completely degradable plastic.

Description

technical field [0001] The invention belongs to the technical field of degradable plastics, in particular to a preparation method of ionic mineral plastics and its products and applications. Background technique [0002] Plastics (from the Greek word "plastikos", meaning plastic) are usually made from high molecular weight organic polymers obtained by polymerization of monomers derived from petroleum, natural gas or coal. This kind of organic polymer plastic connected by C-C covalent bond has excellent performance and has a very wide range of applications in various fields. The development of the world today and people's daily life are inseparable from plastics. However, because the C-C covalent bond in polymer plastics is very stable, it is difficult to break spontaneously in the natural environment, thus causing worldwide white pollution in the natural environment. [0003] At present, there are two main directions to solve the problem of plastic pollution. On the one han...

Claims

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Application Information

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IPC IPC(8): C08L29/04C08L5/04C08K3/32C08K7/08
CPCC08L29/04C08L2201/06C08K2003/325C08K2201/011C08L5/04C08K3/32C08K7/08
Inventor 余亚东刘昭明唐睿康
Owner ZHEJIANG UNIV