Starch modified filler and preparation method thereof

A technology of starch modification and starch, which is applied in the field of papermaking, can solve the problems of not being able to significantly improve the tear index and tensile index of paper, and achieve good application prospects, simple and easy-to-use process formula, and the effect of increasing whiteness and opacity

Inactive Publication Date: 2016-11-09
GUANGZHOU JUZHU GENERAL TECH INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But it can not significantly improve the tear index and tensile index of the paper

Method used

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  • Starch modified filler and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] It consists of the following components in parts by weight: 20 parts of modified starch, 10 parts of modified zeolite, 5 parts of titanium alloy powder, 1 part of polyacrylamide, 1 part of sodium dodecylsulfonate, polystyrene and silicon 1 part of calcium acid calcium acid mixture with a weight ratio of 1:1.

[0022] The preparation method of modified starch is as follows: Weigh 10 parts by weight of starch and pour it into a container, add 10 parts by weight of distilled water, heat while stirring, add Span-80 after gelatinization is sufficient, stir and dissolve evenly, then add periodic acid Sodium solution, react for 4 hours, add ether to the mixture, stir for 5 minutes, then add sodium chloride, mix well, add ethanol to precipitate precipitate, separate and purify the precipitate, and obtain modified starch after drying.

[0023] The preparation method of the modified zeolite is as follows: the zeolite is ground into a 300-mesh powder, soaked in lactic acid for 6 h...

Embodiment 2

[0029] It consists of the following components in parts by weight: 40 parts of modified starch, 30 parts of modified zeolite, 15 parts of titanium alloy powder, 5 parts of methylurea, 3 parts of sodium dodecylsulfonate, polystyrene and silicon 3 parts of calcium acid calcium acid mixture with a weight ratio of 1:1.

[0030] The preparation method of modified starch is as follows: Weigh 10 parts by weight of starch and pour it into a container, add 10 parts by weight of distilled water, heat while stirring, add Span-80 after gelatinization is sufficient, stir and dissolve evenly, then add periodic acid Sodium solution, react for 4 hours, add ether to the mixture, stir for 5 minutes, then add sodium chloride, mix well, add ethanol to precipitate precipitate, separate and purify the precipitate, and obtain modified starch after drying.

[0031] The preparation method of the modified zeolite is as follows: the zeolite is ground into a 300-mesh powder, soaked in lactic acid for 6 h...

Embodiment 3

[0037] It consists of the following components in parts by weight: 30 parts of modified starch, 20 parts of modified zeolite, 10 parts of titanium alloy powder, 3 parts of glyoxal, 3 parts of sodium dodecylsulfonate, polystyrene and calcium silicate 1 part of the mixture with a weight ratio of 1:1.

[0038] The preparation method of modified starch is as follows: Weigh 10 parts by weight of starch and pour it into a container, add 10 parts by weight of distilled water, heat while stirring, add Span-80 after gelatinization is sufficient, stir and dissolve evenly, then add periodic acid Sodium solution, react for 4 hours, add ether to the mixture, stir for 5 minutes, then add sodium chloride, mix well, add ethanol to precipitate precipitate, separate and purify the precipitate, and obtain modified starch after drying.

[0039] The preparation method of the modified zeolite is as follows: the zeolite is ground into a 300-mesh powder, soaked in lactic acid for 6 hours at 50° C., a...

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Abstract

The invention discloses a starch modified filler. The starch modified filler is prepared from, by weight, 20-40 parts of modified starch, 10-30 parts of modified zeolite, 5-15 parts of titanium alloy powder, 1-5 parts of crosslinking agent, 1-3 parts of dispersant and 1-3 parts of enhancer. The invention further discloses a preparation method of the starch modified filler. The technical formula is simple and easy to use, the starch modified filler is safe, environmentally friendly, low in cost and capable of replacing plant fibers to be applied to the field of papermaking, the whiteness and opaqueness of paper can be improved, tear indexes and tensile indexes can be increased, and good application prospects are achieved.

Description

technical field [0001] The invention relates to the field of papermaking, in particular to a starch-modified filler and a preparation method thereof. Background technique [0002] The application of papermaking chemicals is of great significance for improving the efficiency of the papermaking industry and improving product quality. my country is a big country in papermaking, but the raw materials of my country's papermaking industry are mainly plant fibers, especially grass fibers. Grass fibers are characterized by short fiber length and low strength, resulting in low fiber utilization in the pulping and papermaking process and inability to make high-grade paper. Therefore, the development and application of papermaking chemicals with specific functions is of great significance to my country's papermaking industry. In paper production, cellulose is made into a pulp suspension, and then the pulp is placed on a screen to orient the fibers and filter out the liquid. After pass...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H17/69D21H17/28D21H17/67D21H17/68D21H17/35
CPCD21H17/69D21H17/28D21H17/35D21H17/67D21H17/68
Inventor 不公告发明人
Owner GUANGZHOU JUZHU GENERAL TECH INST CO LTD
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