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Novel PVC (polyvinyl chloride) inorganic pigment paste and preparation method thereof

A technology of inorganic pigments and polyvinyl chloride, which is applied in the direction of pigment slurry, etc., can solve the problems of anti-coarseness of light calcium powder, DOTP precipitation, quality assurance and adverse effects of use, etc., to achieve crystallization and brighter color Effect

Active Publication Date: 2015-06-03
福建宝利特新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing polyvinyl chloride inorganic color paste is mainly composed of inorganic pigments (such as iron oxide yellow), ESO, CIBEFKA-8640 (dispersant), CIBEFKA-8341 (wetting agent), DOTP, light calcium carbonate mixed in a certain proportion Its defects are as follows: 1. Due to the ESO in the formula, the inherent physical defects of the raw material itself will cause crystallization of ESO when the temperature becomes low in winter, which will affect the production, storage and quality assurance of PVC color paste. And the use has many adverse effects; 2. There are fillers in the formula, such as light calcium carbonate, which is calcined from ore and has excellent covering properties
In addition, ESO will crystallize at low temperature, which will cause the light calcium powder to become thicker, and there will be the possibility of DOTP precipitation. The existence of these uncertain factors will lead to darkening of the product color, and the packaging of the finished product. uneven layer density

Method used

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preparation example Construction

[0060] The preparation method of described kind of novel polyvinyl chloride inorganic pigment color paste, comprises the following steps:

[0061] By weight, weigh each component;

[0062] 1) Mixing: Mix 15 parts of epoxidized soybean oil and high-polymerization polyvinyl chloride resin, stir at a speed of 1200-1500r / min for 12-20min, then filter with a 160-mesh filter to obtain mixture H;

[0063] 2) Heating: Add 50 parts of epoxidized soybean oil and dioctyl terephthalate into the stainless steel heating mixing tank, after heating to 120-130°C, slowly pour the mixture H into the heating mixing tank, and use 1300- Stir at a speed of 1500r / min for 12-20min, then stand still for 12-15h to obtain the mixture R;

[0064] 3) Stirring: Add the remaining epoxidized soybean oil, chlorinated n-alkane, color enhancer, dispersant and dispersing aid to the mixture R, stir at a speed of 1500-1800r / min for 10-15min, then adjust the speed to 600-800r / min, slowly add inorganic pi...

Embodiment 1

[0067] A kind of preparation method of novel polyvinyl chloride inorganic pigment color paste is as follows:

[0068] First, weigh the following components by weight:

[0069] 125 parts of ferric chloride yellow;

[0070] 80 parts of epoxidized soybean oil;

[0071] 20 parts of dioctyl terephthalate;

[0072] 20 parts of chlorinated normal alkanes;

[0073] 5 parts of high degree of polymerization polyvinyl chloride resin;

[0074] 1.2 parts of color enhancer;

[0075] 1.2 parts of dispersant;

[0076] 0.8 part of dispersing aid;

[0077] 169.5 parts of heavy calcium carbonate;

[0078] The chlorinated n-alkane is ESP_1040, the color enhancer is SPedox.D1 21A, the dispersant is SPedox.D230, the dispersion aid is CIBA-EFKA-8462, and the iron oxide yellow is iron oxide yellow 313 , the high degree of polymerization polyvinyl chloride resin is PSM-31,

[0079] Then follow the steps below:

[0080] 1) Mixing: Mix 15 parts of epoxidized soybean...

Embodiment 2

[0085] A kind of preparation method of novel polyvinyl chloride inorganic pigment color paste is as follows:

[0086] First, weigh the following components by weight:

[0087] 130 parts of iron oxide red;

[0088] 80 parts of epoxidized soybean oil;

[0089] 25 parts of dioctyl terephthalate;

[0090] 25 parts of chlorinated normal alkanes;

[0091] 7 parts of high polymerization polyvinyl chloride resin;

[0092] 1.5 parts of color enhancer;

[0093] 1.5 parts of dispersant;

[0094] 1 part of dispersing aid;

[0095] 175 parts of heavy calcium carbonate;

[0096] The chlorinated n-alkane is ESP_1040, the color enhancer is SPedox.D1 21A, the dispersant is SPedox.D230, the dispersion aid is CIBA-EFKA-8462, and the iron oxide yellow is iron oxide yellow 313 , the high degree of polymerization polyvinyl chloride resin is PSM-31,

[0097] Then follow the steps below:

[0098] 1) Mixing: Mix 15 parts of epoxidized soybean oil and high-polymeri...

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PUM

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Abstract

The invention discloses novel PVC (polyvinyl chloride) inorganic pigment paste and a preparation method thereof. The PVC inorganic pigment paste comprises 125-130 parts of an inorganic pigment, 80 parts of epoxidized soybean oil, 20-25 parts of dioctyl terephthalate, 20-25 parts of chlorinated n-alkane, 5-7 parts of PVC resin, 1.2-1.5 parts of a toner, 1.2-1.5 parts of a dispersing agent, 0.8-1 part of a dispersing aid and 169.5-175 parts of heavy calcium carbonate; then the PVC inorganic pigment paste is obtained through steps of mixing, heating, stirring and grinding. The PVC inorganic pigment paste is brighter in luster, free of layering and low-temperature-resistant, cannot crystallize easily, and has characteristics of capability of increasing the luster, resisting settling and resisting freezing.

Description

technical field [0001] The invention belongs to the field of inorganic pigment color paste, and in particular relates to a novel polyvinyl chloride inorganic pigment color paste and a preparation method thereof. Background technique [0002] Polyvinyl chloride color paste (PVC color paste) is divided into two categories: PVC organic color paste and PVC inorganic color paste, both of which have their own advantages and disadvantages. The main advantages of PVC organic color paste are bright colors and good transparency; the disadvantage is that products with higher physical properties have higher prices, and there is no cost advantage. In addition, similar products produced by different manufacturers have great differences in physical properties in terms of hue, concentration, migration, and weather resistance. The advantage of PVC inorganic color paste is that all series of products have good weather resistance, migration resistance, light resistance, high hiding power, and...

Claims

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Application Information

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IPC IPC(8): C09D17/00C08J3/20C08L27/06
CPCC08J3/20C08J2427/06C09D17/007
Inventor 杨光军陈尚磊陈炳琪吴金琴
Owner 福建宝利特新材料科技有限公司
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