Formulation and manufacturing process of water-insoluble pigment powder from natural dyes using adsorption on boron nitrile.

TH27160UActive Publication Date: 2026-01-16UNIV OF PHAYAO
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Patent Information

Application Number
TH2003003265
Authority / Receiving Office
TH · TH
Patent Type
Utility models
Current Assignee / Owner
Filing Date
2020-12-04
Publication Date
2026-01-16
Estimated Expiration
2026-12-03
Patent Text Reader

Abstract

OCR 09WP 14 / 01 / 2569 This is the formula and process for producing water-insoluble pigment powders from natural dyes using adsorption on boron nitrile. The product contains dyes derived from sappanwood or teak, which are used as coloring agents to replace pigments obtained from other sources. The synthesis process results in a wide variety of pigment powders, meeting the needs of those looking for pigment powders made from natural materials. And natural colors.
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Claims

OCR 20 / 08 / 2567 1. A formula for water-insoluble pigment powder from natural colors using adsorption on boron nitrile, which has the following formulation: As follows: Formula, Percentage by Weight Part 1 Water 10-50 Water-soluble pigment powder obtained from lac or sappan wood 1-10 Part 2 Buffer solutions, pH 1-10, 20-60. Part 3 Boron nitrile powder, 5 micrometers in size, 20-50 grams.

2. A process for producing water-insoluble pigment powder from natural dyes using adsorption on boron nitride, as per point... The process for exercising the first right is as follows: A. Mix the water-soluble pigment powder obtained from lac or sappanwood in Part 1 with the water in Part 1. Stir until dissolved. Homogeneous B. Pour the pH 1-10 buffer solution into part 1 and stir until homogeneous. b. Slowly add 5 micrometers of boron nitrile to part 1, continuing until all the dye is absorbed. C. Cover the beaker with Parafilm and leave it for 1-72 hours.

1. Next, the dye-adsorbed boron nitrile is centrifuged at a speed of 1,000-6,000 revolutions per minute for a specified time. 1-50 minutes, until the desired color settles. d. Dry the sediment obtained from centrifugation in an oven at a temperature of 40-70 degrees Celsius until it is completely dry. Step 1: The dried sediment is ground to the desired size and then passed through a sieving machine to obtain the required dimensions. f. Store the resulting pigment powder properly in a container.