CN113969016A - Special polypropylene material for melt-blowing and its production method - Google Patents
Special polypropylene material for melt-blowing and its production method Download PDFInfo
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- CN113969016A CN113969016A CN202010709948.XA CN202010709948A CN113969016A CN 113969016 A CN113969016 A CN 113969016A CN 202010709948 A CN202010709948 A CN 202010709948A CN 113969016 A CN113969016 A CN 113969016A
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- blown
- special material
- melt
- polypropylene melt
- polypropylene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/14—Peroxides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
- C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/24—Crystallisation aids
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention discloses a special material for polypropylene melt-blown, which comprises the following components, by weight, 100-120 parts of PP, 0.1-1 part of peroxide, 0.2-0.3 part of antioxidant, 0.3-0.5 part of heat stabilizer, 0.3-0.5 part of lubricant and 0.15-0.3 part of nucleating agent. The invention realizes good odor volatilization performance, and MFR meets the production requirement.
Description
Technical Field
The invention belongs to the technical field of melt-blown materials, and particularly relates to a special polypropylene melt-blown material and a production method thereof.
Background
The raw materials for producing the non-woven fabric mainly comprise polypropylene (PP), Polyester (PET), nylon (PA) or polyvinyl chloride (PVC) and the like, wherein the PP is the most widely used. The polypropylene for melt-blowing has high requirement on melt index, generally 800-1500g/min, no polypropylene brand material which can be directly polymerized and produced for melt-blowing is available in China, the polypropylene is generally produced by adopting a peroxide controllable degradation method, and the prepared material has unstable quality and large smell.
Disclosure of Invention
The invention aims to solve the technical problems, and provides a polypropylene melt-blown special material and a production method thereof, so that the polypropylene melt-blown special material has good odor volatilization performance, and MFR meets the production requirements. In order to achieve the purpose, the technical scheme of the invention is as follows:
the special polypropylene material for melt-blown consists of PP100-120 weight portions, peroxide 0.1-1 weight portions, antioxidant 0.2-0.3 weight portions, heat stabilizer 0.3-0.5 weight portions, lubricant 0.3-0.5 weight portions, and nucleating agent 0.15-0.3 weight portions.
The flame retardant polypropylene composition comprises, by weight, 100 parts of PP, 1 part of peroxide, 0.2 part of antioxidant, 0.3 part of heat stabilizer, 0.3 part of lubricant and 0.15 part of nucleating agent.
Specifically, the peroxide is di-tert-butyl peroxide.
Specifically, the antioxidant is antioxidant 168.
Specifically, the heat stabilizer is calcium stearate or magnesium stearate.
Specifically, the lubricant is pentaerythritol ester.
Specifically, the nucleating agent is 3988.
Specifically, the PP is PPK1870-B or PPS 2040.
The production method of the polypropylene melt-blown special material comprises the following steps:
1) blending the raw materials of each component according to a formula ratio;
2) granulating by a screw extruder, wherein the granulating temperature is divided into a plurality of regions and different temperature settings, and the particle size is controlled to be 2 mm;
3) the granulated material is sent into a material storage device to be dried by hot air, and the peculiar smell is removed by slow rotation, so that the special polypropylene material for melt-blown is prepared.
Specifically, the peroxide residue of the polypropylene special material for melt-blowing is less than or equal to 5 mg/kg.
Compared with the prior art, the special polypropylene material for melt-blowing and the production method thereof have the following main beneficial effects: the special material for polypropylene melt-blowing is prepared according to the formula components, has no bad black particles, has better melt flow rate and is convenient for processing operation of an extruder; low ash content and volatile matter, basically volatile residue and no peculiar smell.
Detailed Description
The technical solutions in the embodiments of the present invention are described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Example 1:
the production method of the polypropylene melt-blown special material comprises the following steps: 100kg of PP K1870-B, 1kg of di-tert-butyl peroxide, 1680.2 kg of antioxidant, 0.3kg of calcium stearate, 0.3kg of pentaerythritol ester and 39880.15 kg of nucleating agent are uniformly blended, and are granulated by a screw extruder at different temperature settings in multiple zones. As shown in table 1 below:
| 1 region/. degree.C | 2 region/. degree.C | Zone 3/. degree.C | Zone 4/. degree.C | Zone 5/. degree.C | 6 region/. degree.C | 7 region/. degree.C | 8 region/. degree.C |
| 80 | 210 | 220-230 | 190 | 180 | 170 | 165 | 165 |
| Zone 9/. degree.C | 10 region/. degree.C | 11 region/. degree.C | Zone 12/. degree.C | 13 region/. degree.C | 14 region/. degree.C | Die/. degree C | |
| 165 | 165 | 160 | 160 | 160 | 160 | 155-160 |
The rotating speed of the screw is 180-; the feeding speed is 100-; the grain cutting rotating speed is 320-350 r/min. The particle size is controlled to be 2 mm.
Example 2:
the difference from example 1 is that: 110kg of PP K1870-B, 0.5kg of di-tert-butyl peroxide, 1680.25 kg of antioxidant, 0.4kg of calcium stearate, 0.4kg of pentaerythritol ester and 39880.2 kg of nucleating agent are evenly blended.
Example 3:
the difference from example 1 is that: PP S2040120 kg, 0.1kg of di-tert-butyl peroxide, 1680.25 kg of antioxidant, 0.4kg of magnesium stearate, 0.4kg of pentaerythritol ester and 39880.3 kg of nucleating agent are evenly blended.
Examples 1-3 Property tests for polypropylene meltblown specialty stocks produced are shown in Table 2 below:
when the embodiment is applied, the special polypropylene material for melt-blowing is prepared according to the formula components, no black particle is generated, the melt flow rate is high, and the processing operation of an extruder is facilitated; low ash content and volatile matter, basically volatile residue and no peculiar smell.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (10)
1. The special material for polypropylene melt-blown is characterized in that: comprises the following components, by weight, 100-120 parts of PP, 0.1-1 part of peroxide, 0.2-0.3 part of antioxidant, 0.3-0.5 part of heat stabilizer, 0.3-0.5 part of lubricant and 0.15-0.3 part of nucleating agent.
2. The polypropylene melt-blown special material according to claim 1, characterized in that: the flame retardant polypropylene composition comprises, by weight, 100 parts of PP, 1 part of peroxide, 0.2 part of antioxidant, 0.3 part of heat stabilizer, 0.3 part of lubricant and 0.15 part of nucleating agent.
3. The polypropylene melt-blown special material according to claim 1, characterized in that: the peroxide is di-tert-butyl peroxide.
4. The polypropylene melt-blown special material according to claim 1, characterized in that: the antioxidant is antioxidant 168.
5. The polypropylene melt-blown special material according to claim 1, characterized in that: the heat stabilizer is calcium stearate or magnesium stearate.
6. The polypropylene melt-blown special material according to claim 1, characterized in that: the lubricant is pentaerythritol ester.
7. The polypropylene melt-blown special material according to claim 1, characterized in that: the nucleating agent is 3988.
8. The polypropylene melt-blown special material according to claim 1, characterized in that: the PP is PPK1870-B or PPS 2040.
9. The production method of the polypropylene melt-blown special material is characterized by comprising the following steps:
1) blending the raw materials of each component according to a formula ratio;
2) granulating by a screw extruder, wherein the granulating temperature is divided into a plurality of regions and different temperature settings, and the particle size is controlled to be 2 mm;
3) the granulated material is sent into a material storage device to be dried by hot air, and the peculiar smell is removed by slow rotation, so that the special polypropylene material for melt-blown is prepared.
10. The method for producing polypropylene melt-blown special material according to claim 9, characterized in that: the peroxide residue of the polypropylene melt-blown special material is less than or equal to 5 mg/kg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010709948.XA CN113969016A (en) | 2020-07-22 | 2020-07-22 | Special polypropylene material for melt-blowing and its production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010709948.XA CN113969016A (en) | 2020-07-22 | 2020-07-22 | Special polypropylene material for melt-blowing and its production method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113969016A true CN113969016A (en) | 2022-01-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010709948.XA Withdrawn CN113969016A (en) | 2020-07-22 | 2020-07-22 | Special polypropylene material for melt-blowing and its production method |
Country Status (1)
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| CN (1) | CN113969016A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111205563A (en) * | 2020-03-20 | 2020-05-29 | 江苏德威新材料股份有限公司 | Melt-blown polypropylene and preparation method and application thereof |
-
2020
- 2020-07-22 CN CN202010709948.XA patent/CN113969016A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111205563A (en) * | 2020-03-20 | 2020-05-29 | 江苏德威新材料股份有限公司 | Melt-blown polypropylene and preparation method and application thereof |
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Application publication date: 20220125 |
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