CN115232358A - Liquid potassium-zinc composite stabilizer for PVC (polyvinyl chloride) foaming pad and preparation method thereof - Google Patents
Liquid potassium-zinc composite stabilizer for PVC (polyvinyl chloride) foaming pad and preparation method thereof Download PDFInfo
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- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
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- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
- C08L91/06—Waxes
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- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
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- C08J2205/00—Foams characterised by their properties
- C08J2205/06—Flexible foams
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- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
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Abstract
The invention belongs to a PVC (polyvinyl chloride) heat stabilizer and a preparation method thereof, and discloses a liquid potassium-zinc composite stabilizer for a PVC foaming pad and a preparation method thereof. The raw material components for preparing the liquid potassium-zinc composite stabilizer comprise 450-550 parts of isooctanoic acid, 180-240 parts of diethylene glycol butyl ether, 130-180 parts of white oil, 80-110 parts of benzoic acid, 110-150 parts of zinc oxide and 45-60 parts of potassium hydroxide. The preparation method comprises the following steps: sequentially pumping isooctanoic acid, diethylene glycol monobutyl ether and white oil into a reaction kettle, and introducing heat-conducting oil to raise the temperature; adding benzoic acid when the temperature is increased to 35-45 ℃, and adding zinc oxide when the temperature is increased to 55-65 ℃; when the temperature is raised to 78-85 ℃, the conduction oil is closed, the temperature is kept, and when the temperature is raised to about 95-105 ℃, the temperature is kept for 20-40 minutes; after the zinc oxide in the reaction kettle is clear, adding potassium hydroxide and preserving heat for 20-40 minutes; heating to 130-135 deg.C again, closing the heat conducting oil, and keeping the temperature for 20-40 min; vacuumizing for 8-12 min, cooling to 75-85 deg.C, barreling, and weighing. The composite stabilizer disclosed by the invention has the advantages of good thermal stability, high foaming ratio and wide market prospect.
Description
Technical Field
The invention relates to a PVC heat stabilizer and a preparation method thereof, in particular to a liquid potassium-zinc composite stabilizer for a PVC foaming pad and a preparation method thereof.
Background
Polyvinyl chloride (PVC) has excellent mechanical properties and processability, has the characteristics of corrosion resistance, aging resistance, low cost, rich raw materials, mature manufacturing process and the like, is widely applied to various fields and becomes one of five general resins in the world.
PVC can be used to produce foaming mat, such as yoga mat, and during processing, because PVC processing heat stability is poor when high temperature, difficult processing, so the selection of the heat stabilizer in its course of working is very important. The conventional potassium-zinc composite stabilizer for processing the PVC foaming pad has the defects that the processed PVC foaming pad is not soft enough and the flatness cannot meet the requirement due to unreasonable raw materials and proportion and insufficient fineness of foaming pores.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a liquid potassium-zinc composite stabilizer for a PVC foaming pad and a preparation method thereof, which are used for solving the technical problems of the potassium-zinc composite stabilizer in the prior art and meeting the requirements of softness and flatness of the PVC foaming pad.
The technical scheme adopted by the invention for solving the technical problems is as follows: the liquid potassium-zinc composite stabilizer for the PVC foaming pad is characterized by comprising, by weight, 450-550 parts of isooctanoic acid, 180-240 parts of diethylene glycol butyl ether, 130-180 parts of white oil, 80-110 parts of benzoic acid, 110-150 parts of zinc oxide and 45-60 parts of potassium hydroxide.
Preferably, the isooctanoic acid is a polycarbonic organic acid that functions as a thermal stability and lubricity during formulation.
Preferably, the diethylene glycol butyl ether is used as a diluent and plays a role in assisting the complete reaction of the metal oxide.
Preferably, the benzoic acid is an aromatic organic acid.
A preparation method of a liquid potassium-zinc composite stabilizer for a PVC foaming pad is characterized by comprising the following steps:
(1) Checking whether the inside of the reaction kettle is clean or not, then opening a stirring mechanism of the reaction kettle, sequentially pumping isooctanoic acid, diethylene glycol butyl ether and white oil into the reaction kettle, and introducing heat-conducting oil into a jacket of the reaction kettle to heat;
(2) When the temperature is raised to 35-45 ℃, adding benzoic acid into the reaction kettle, and when the temperature is raised to 55-65 ℃, adding zinc oxide into the reaction kettle;
(3) When the temperature is raised to 78-85 ℃, the conduction oil is closed, the temperature is kept, and when the temperature is raised to about 95-105 ℃, the temperature is kept for 20-40 minutes;
(4) After the heat preservation time reaches 20-40 minutes and the zinc oxide in the reaction kettle is completely reacted and clear, adding potassium hydroxide and preserving heat for 20-40 minutes;
(5) Heating to 130-135 deg.C again, closing the heat conducting oil, and keeping the temperature for 20-40 min;
(6) Vacuumizing for 8-12 min, and weighing the discharged water;
(7) Cooling to 75-85 deg.C, putting down, barreling, and weighing.
As a further improvement of the scheme, in the step (6), white oil is supplemented when the total amount of the weighed water exceeds 135 kg.
As a further improvement of the scheme, the supplemented white oil is pumped into the reaction kettle and stirred for 20-40 minutes.
The invention has the beneficial effects that: the liquid potassium-zinc composite stabilizer for the PVC foaming pad, disclosed by the invention, has the advantages that isooctanoic acid and benzoic acid are both organic acids, the thermal stability and the lubricity are realized in the preparation process, the isooctanoic acid and the benzoic acid can react with potassium hydroxide and zinc oxide to generate an organic potassium salt and zinc salt system, under the combined action of an organic acid radical, potassium ions and zinc ions, the thermal stability and the foaming promotion of the PVC foaming pad can be improved, the foaming rate is high, the diethylene glycol monobutyl ether is used as a diluent to play a role in assisting the complete reaction of metal oxides (zinc oxide), and the white oil is favorable for increasing the brightness of products. When the liquid potassium-zinc composite stabilizer provided by the invention is used as a stabilizer to produce a PVC foaming pad, foaming pores are fine and smooth, and the processed PVC foaming pad is soft and meets the flatness requirement of the foaming pad.
Detailed Description
The present invention is described in detail below by way of examples to facilitate understanding of the present invention by those skilled in the art, and it is to be specifically noted that the examples are provided only for the purpose of further illustrating the present invention and are not to be construed as limiting the scope of the present invention.
Example 1
The liquid potassium-zinc composite stabilizer for the PVC foaming pad comprises, by weight, 500 parts of isooctanoic acid, 200 parts of diethylene glycol butyl ether, 160 parts of white oil, 100 parts of benzoic acid, 125 parts of zinc oxide and 50 parts of potassium hydroxide.
A preparation method of a liquid potassium-zinc composite stabilizer for a PVC (polyvinyl chloride) foaming pad comprises the following steps:
(1) Checking whether the inside of the reaction kettle is clean or not, then opening a stirring mechanism of the reaction kettle, sequentially pumping isooctanoic acid, diethylene glycol butyl ether and white oil into the reaction kettle, and introducing heat-conducting oil into a jacket of the reaction kettle to heat;
(2) When the temperature is raised to 40 ℃, adding benzoic acid into the reaction kettle, and when the temperature is raised to 60 ℃, adding zinc oxide into the reaction kettle;
(3) When the temperature is raised to 80 ℃, the conduction oil is closed, the temperature is kept, and when the temperature is raised to about 100 ℃, the temperature is kept for 30 minutes;
(4) After the heat preservation time reaches 30 minutes, after the zinc oxide in the reaction kettle completely reacts and is clear, adding potassium hydroxide and preserving the heat for 40 minutes;
(5) Raising the temperature to 130 ℃ again, closing the heat conducting oil, and keeping the temperature for 30 minutes;
(6) Vacuumizing for 10 minutes, and weighing the water, wherein the weight of the water is 135kg;
(7) Cooling to 80 deg.C, putting down, barreling, and weighing.
Example 2
The liquid potassium-zinc composite stabilizer for the PVC foaming pad comprises, by weight, 450 parts of isooctanoic acid, 210 parts of diethylene glycol butyl ether, 180 parts of white oil, 110 parts of benzoic acid, 140 parts of zinc oxide and 45 parts of potassium hydroxide.
A preparation method of a liquid potassium-zinc composite stabilizer for a PVC (polyvinyl chloride) foaming pad comprises the following steps:
(1) Checking whether the inside of the reaction kettle is clean or not, then opening a stirring mechanism of the reaction kettle, sequentially pumping isooctanoic acid, diethylene glycol butyl ether and white oil into the reaction kettle, and introducing heat-conducting oil into a jacket of the reaction kettle to heat;
(2) When the temperature is raised to 35 ℃, adding benzoic acid into the reaction kettle, and when the temperature is raised to 60 ℃, adding zinc oxide into the reaction kettle;
(3) When the temperature is raised to 85 ℃, the conduction oil is closed, the temperature is kept, and when the temperature is raised to about 105 ℃, the temperature is kept for 40 minutes;
(4) After the heat preservation time reaches 40 minutes and the zinc oxide in the reaction kettle completely reacts and is clear, adding potassium hydroxide and preserving the heat for 20 minutes;
(5) Raising the temperature to 132 ℃ again, closing the heat conducting oil, and keeping the temperature for 40 minutes;
(6) Vacuumizing for 10 minutes, and weighing the water, wherein the weight of the water is 135kg;
(7) And (4) when the temperature is reduced to 85 ℃, putting down the materials, barreling and weighing.
Example 3
The liquid potassium-zinc composite stabilizer for the PVC foaming pad comprises, by weight, 550 parts of isooctanoic acid, 180 parts of diethylene glycol butyl ether, 155 parts of white oil, 85 parts of benzoic acid, 110 parts of zinc oxide and 55 parts of potassium hydroxide.
A preparation method of a liquid potassium-zinc composite stabilizer for a PVC (polyvinyl chloride) foaming pad comprises the following steps:
(1) Checking whether the inside of the reaction kettle is clean or not, then opening a stirring mechanism of the reaction kettle, sequentially pumping isooctanoic acid, diethylene glycol butyl ether and white oil into the reaction kettle, and introducing heat-conducting oil into a jacket of the reaction kettle to heat;
(2) When the temperature rises to 45 ℃, putting benzoic acid into the reaction kettle, and when the temperature rises to 56 ℃, putting zinc oxide into the reaction kettle;
(3) When the temperature is raised to 78 ℃, the conduction oil is closed, the temperature is kept, and when the temperature is raised to about 95 ℃, the temperature is kept for 40 minutes;
(4) After the heat preservation time reaches 40 minutes, after the zinc oxide in the reaction kettle completely reacts and is clear, adding potassium hydroxide and preserving heat for 30 minutes;
(5) Raising the temperature to 135 ℃ again, closing the heat conducting oil, and keeping the temperature for 40 minutes;
(6) Starting to vacuumize for 12 minutes, and weighing the water, wherein the weight of the water is 135kg;
(7) And (4) when the temperature is reduced to 75 ℃, putting down the materials, barreling and weighing.
Example 4
The liquid potassium-zinc composite stabilizer for the PVC foaming pad comprises, by weight, 475 parts of isooctanoic acid, 240 parts of diethylene glycol butyl ether, 130 parts of white oil, 80 parts of benzoic acid, 150 parts of zinc oxide and 60 parts of potassium hydroxide.
A preparation method of a liquid potassium-zinc composite stabilizer for a PVC (polyvinyl chloride) foaming pad comprises the following steps:
(1) Checking whether the inside of the reaction kettle is clean or not, then opening a stirring mechanism of the reaction kettle, sequentially pumping isooctanoic acid, diethylene glycol butyl ether and white oil into the reaction kettle, and introducing heat-conducting oil into a jacket of the reaction kettle to heat;
(2) When the temperature rises to 45 ℃, putting benzoic acid into the reaction kettle, and when the temperature rises to 65 ℃, putting zinc oxide into the reaction kettle;
(3) When the temperature is raised to 85 ℃, the conduction oil is closed, the temperature is kept, and when the temperature is raised to about 105 ℃, the temperature is kept for 20 minutes;
(4) After the heat preservation time reaches 20 minutes and the zinc oxide in the reaction kettle is completely reacted and clear, adding potassium hydroxide and preserving heat for 40 minutes;
(5) Raising the temperature to 135 ℃ again, closing the heat conducting oil, and keeping the temperature for 20 minutes;
(6) Vacuumizing for 8 minutes, and weighing the discharged water, wherein the weight of the water is 135kg;
(7) Cooling to 85 deg.C, putting down, barreling, and weighing.
Detection formula
The PVC foaming pad is used for preparing a PVC foaming pad, the specific formula comprises 50 parts of PVC resin powder, 57 parts of dioctyl terephthalate, 1 part of sodium triacetoxyborohydride, 20 parts of calcium carbonate, 1.5 parts of foaming agent AC (namely azodicarbonamide) and 1 part of liquid potassium-zinc composite stabilizer prepared in examples 1-4, and the prepared PVC foaming pad is detected in stability, colorability, foaming multiplying power and precipitation, and the test results are shown in the following table 1:
table 1: test formula of stabilizer prepared in examples 1-4 for same PVC foam pad
From the detection results of table 1, it is understood that: when the liquid potassium-zinc composite stabilizer prepared in the embodiments 1 to 4 is used for preparing a PVC foaming pad, the liquid potassium-zinc composite stabilizer has strong stability, good colorability and high foaming ratio, and can meet the requirement of the PVC foaming pad on a heat stabilizer.
The liquid potassium-zinc composite stabilizer for the PVC foaming pad, disclosed by the invention, has the advantages that isooctanoic acid and benzoic acid are both organic acids, the thermal stability and the lubricity are realized in the preparation process, the isooctanoic acid and the benzoic acid can react with potassium hydroxide and zinc oxide to generate an organic potassium salt and zinc salt system, under the combined action of an organic acid radical, potassium ions and zinc ions, the thermal stability and the foaming promotion of the PVC foaming pad can be improved, the foaming rate is high, the diethylene glycol monobutyl ether is used as a diluent to play a role in assisting the complete reaction of metal oxides (zinc oxide), and the white oil is favorable for increasing the brightness of products. When the liquid potassium-zinc composite stabilizer provided by the invention is used as a stabilizer to produce a PVC foaming pad, foaming pores are fine and smooth, and the processed PVC foaming pad is soft and meets the flatness requirement of the foaming pad.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the invention.
Claims (7)
1. The liquid potassium-zinc composite stabilizer for the PVC foaming pad is characterized by comprising, by weight, 450-550 parts of isooctanoic acid, 180-240 parts of diethylene glycol butyl ether, 130-180 parts of white oil, 80-110 parts of benzoic acid, 110-150 parts of zinc oxide and 45-60 parts of potassium hydroxide.
2. The liquid potassium-zinc composite stabilizer for PVC foam pads according to claim 1, wherein the isooctanoic acid is a polycarbonic organic acid, and plays a role in thermal stability and lubricity during preparation.
3. The liquid potassium-zinc composite stabilizer for PVC foam mat according to claim 2, wherein said butyl diglycol ether is a diluent, which functions to assist the complete reaction of metal oxide.
4. The liquid potassium-zinc composite stabilizer for PVC foam mats according to claim 3, wherein the benzoic acid is an aromatic organic acid.
5. The preparation method of the liquid potassium-zinc composite stabilizer for PVC foam pads according to any one of claims 1 to 4, characterized by comprising the following steps:
(1) Checking whether the inside of the reaction kettle is clean or not, then opening a stirring mechanism of the reaction kettle, sequentially pumping isooctanoic acid, diethylene glycol butyl ether and white oil into the reaction kettle, and introducing heat-conducting oil into a jacket of the reaction kettle to heat;
(2) When the temperature is raised to 35-45 ℃, adding benzoic acid into the reaction kettle, and when the temperature is raised to 55-65 ℃, adding zinc oxide into the reaction kettle;
(3) When the temperature is raised to 78-85 ℃, the conduction oil is closed, the temperature is kept, and when the temperature is raised to about 95-105 ℃, the temperature is kept for 20-40 minutes;
(4) After the heat preservation time reaches 20-40 minutes and the zinc oxide in the reaction kettle is completely reacted and clear, adding potassium hydroxide and preserving heat for 20-40 minutes;
(5) Heating to 130-135 deg.C again, closing the heat conducting oil, and keeping the temperature for 20-40 min;
(6) Vacuumizing for 8-12 min, and weighing the discharged water;
(7) Cooling to 75-85 deg.C, putting down, barreling, and weighing.
6. The method for preparing a liquid potassium-zinc composite stabilizer for PVC foam mats according to claim 5, wherein in the step (6), white oil is supplemented when the total amount of weighed water exceeds 135 kg.
7. The method for preparing the liquid potassium-zinc composite stabilizer for the PVC foam pad according to claim 6, wherein the supplemented white oil is pumped into a reaction kettle and stirred for 20-40 minutes.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824161A (en) * | 2010-04-12 | 2010-09-08 | 广州盈田化工原料有限公司 | Liquid-state potassium-zinc promoted foaming agent and preparation method thereof |
| CN102604264A (en) * | 2012-03-13 | 2012-07-25 | 德清县东来化学有限公司 | Potassium-zinc liquid stabilizer for PVC (polyvinyl chloride) artificial leather and preparation method for same |
| CN104004295A (en) * | 2014-05-12 | 2014-08-27 | 广州市联诺化工科技有限公司 | Foaming-promoting liquid potassium/zinc composite heat stabilizer for PVC wallpaper and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824161A (en) * | 2010-04-12 | 2010-09-08 | 广州盈田化工原料有限公司 | Liquid-state potassium-zinc promoted foaming agent and preparation method thereof |
| CN102604264A (en) * | 2012-03-13 | 2012-07-25 | 德清县东来化学有限公司 | Potassium-zinc liquid stabilizer for PVC (polyvinyl chloride) artificial leather and preparation method for same |
| CN104004295A (en) * | 2014-05-12 | 2014-08-27 | 广州市联诺化工科技有限公司 | Foaming-promoting liquid potassium/zinc composite heat stabilizer for PVC wallpaper and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 方猷泉, 潘学松: "液体钾/锌PVC发泡助剂的合成与应用", 塑料助剂, no. 04, pages 11 - 13 * |
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