CN111073553A - High-strength high-fluidity polypropylene bonding resin and preparation method thereof - Google Patents
High-strength high-fluidity polypropylene bonding resin and preparation method thereof Download PDFInfo
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- CN111073553A CN111073553A CN201911378168.5A CN201911378168A CN111073553A CN 111073553 A CN111073553 A CN 111073553A CN 201911378168 A CN201911378168 A CN 201911378168A CN 111073553 A CN111073553 A CN 111073553A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/10—Homopolymers or copolymers of propene
- C09J123/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
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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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
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Abstract
The invention discloses a high-strength high-fluidity polypropylene bonding resin which comprises the following components in parts by weight: 60-81 parts of polypropylene; 12-20 parts of a polar compatilizer; 11-20 parts of talcum powder; 6-10 parts of paraffin particles; 1-10 parts of quartz fiber; wherein the filament diameter of the quartz fiber is 6-12 μm, the softening point is 550-630 ℃, and the density is 2.35-2.72g/cm3. The high-strength high-fluidity polypropylene bonding resin disclosed by the invention has higher strength and high fluidity under the compounding action of quartz fibers, a polar compatilizer, talcum powder and paraffin particles. In addition, the invention also discloses a preparation method of the polypropylene bonding resin, which has simple preparation process, easily obtained raw materials and equipment and can be produced in a large scale.
Description
Technical Field
The invention relates to the technical field of polypropylene bonding resin manufacturing, in particular to high-strength high-fluidity polypropylene bonding resin and a preparation method thereof.
Background
The polymer type polypropylene material has lower heat distortion temperature (100 ℃), low transparency, low gloss and low rigidity, and the impact strength of the polymer type polypropylene material is increased along with the increase of the ethylene content, and the strength is reduced along with the increase of the ethylene content. The Vicat softening temperature of the polymer type polypropylene material is 150 ℃, and the Vicat softening temperature is higher, so that the material has better dimensional stability when being heated, the smaller the thermal deformation is, and the better the thermal deformation resistance is. In addition, the polymer type polypropylene material has high crystallinity, so that the material has strong surface rigidity and good scratch resistance. The polypropylene material is widely used in pharmaceutical industry, chemical industry, petroleum industry, chlor-alkali industry, pharmaceutical industry, environmental protection industry, light industry, printing and dyeing industry, food industry, metallurgy industry, water treatment industry and other industries.
In the process of preparing the adhesive resin by using polypropylene, because the strength of polypropylene is in inverse proportion to the fluidity, how to prepare the adhesive resin with high strength is particularly important, because the high fluidity means good processability, and the high strength means wide application range. Therefore, how to prepare a high-strength high-fluidity polypropylene bonding resin is a problem which needs to be urgently solved by research and development personnel.
Disclosure of Invention
The invention aims to provide a high-strength high-fluidity polypropylene bonding resin and a preparation method thereof aiming at the defects of the prior art, and solves the technical problems of good fluidity and low strength of the polypropylene bonding resin in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a high-strength high-fluidity polypropylene bonding resin, which comprises the following components in parts by weight:
wherein the filament diameter of the quartz fiber is 6-12 μm, the softening point is 550-630 ℃, and the density is 2.35-2.72g/cm 3.
Further, the high-strength high-fluidity polypropylene bonding resin comprises the following components in parts by weight:
further, the length of the quartz fiber is 2-5 mm.
Furthermore, the particle size of the talcum powder is 1250 meshes, and the specific gravity is 2.7-2.8.
Further, the polar compatilizer is maleic anhydride grafted polypropylene.
Further preferably, the density of the maleic anhydride grafted polypropylene is 0.865-0.875g/cm3, the grafting ratio is 0.8-1.5%, the tensile strength is 25-28MPa, the melting point is 135-140 ℃, and the melt index is 45-50g/10min under the conditions of 190 ℃ and 2.16 kg.
The second aspect of the invention provides a preparation method of a high-strength high-fluidity polypropylene bonding resin, which comprises the following steps:
(1) weighing polypropylene, talcum powder, quartz fiber, polar compatilizer and paraffin particles according to the proportion, and then uniformly mixing the materials;
(2) and adding the uniformly mixed raw materials into an extruder for extrusion granulation.
Further, the temperature of the mixing in the step (1) is 60-80 ℃.
Further, the extrusion temperature of the extrusion granulation in the step (2) is 180-.
Compared with the prior art, the invention has the following advantages:
the high-strength high-fluidity polypropylene bonding resin has higher strength and high fluidity under the compounding action of quartz fibers, polar compatilizer, talcum powder and paraffin particles; in addition, the preparation method of the polypropylene bonding resin has simple preparation process, easily obtained raw materials and equipment, and can be used for large-scale production.
Detailed Description
The present invention will be described in detail and specifically with reference to the following examples to facilitate better understanding of the present invention, but the following examples do not limit the scope of the present invention.
Example 1
A high-strength high-fluidity polypropylene bonding resin comprises the following components in parts by weight:
wherein the filament diameter of the quartz fiber is 6-12 μm, the softening point is 550-630 ℃, and the density is 2.35-2.72g/cm3The length is 2-5 mm;
the particle size of the talcum powder is 1250 meshes, and the specific gravity is 2.7-2.8.
The polar compatilizer is maleic anhydride grafted polypropylene, the density is 0.865-0.875g/cm3, the grafting ratio is 0.8-1.5%, the tensile strength is 25-28MPa, the melting point is 135-140 ℃, and the melt index is 45-50g/10min under the conditions of 190 ℃ and 2.16 kg.
The preparation method of the high-strength high-fluidity polypropylene bonding resin comprises the following steps:
(1) weighing polypropylene, talcum powder, quartz fiber, polar compatilizer and paraffin particles according to the proportion, and then uniformly mixing the materials at the mixing temperature of 60-80 ℃;
(2) and adding the uniformly mixed raw materials into a double-screw extruder for extrusion granulation, wherein the extrusion temperature of the double-screw extruder is 180-plus-200 ℃, the rotation speed of a screw of the extruder is 300-plus-350 rpm, and finally drying to obtain the polypropylene composite material.
Example 2
A high-strength high-fluidity polypropylene bonding resin comprises the following components in parts by weight:
wherein the filament diameter of the quartz fiber is 6-12 μm, the softening point is 550-630 ℃, and the density is 2.35-2.72g/cm3The length is 2-5 mm;
the particle size of the talcum powder is 1250 meshes, and the specific gravity is 2.7-2.8.
The polar compatilizer is maleic anhydride grafted polypropylene, the density is 0.865-0.875g/cm3, the grafting ratio is 0.8-1.5%, the tensile strength is 25-28MPa, the melting point is 135-140 ℃, and the melt index is 45-50g/10min under the conditions of 190 ℃ and 2.16 kg.
The preparation method of the high-strength high-fluidity polypropylene bonding resin comprises the following steps:
(1) weighing polypropylene, talcum powder, quartz fiber, polar compatilizer and paraffin particles according to the proportion, and then uniformly mixing the materials at the mixing temperature of 60 ℃;
(2) and adding the uniformly mixed raw materials into a double-screw extruder for extrusion granulation, wherein the extrusion temperature of the double-screw extruder is 200 ℃, the rotating speed of a screw of the extruder is 350rpm, and finally drying to obtain the polypropylene composite material.
Example 3
A high-strength high-fluidity polypropylene bonding resin comprises the following components in parts by weight:
wherein the filament diameter of the quartz fiber is 6-12 μm, the softening point is 550-630 ℃, and the density is 2.35-2.72g/cm3The length is 2-5 mm;
the particle size of the talcum powder is 1250 meshes, and the specific gravity is 2.7-2.8.
The polar compatilizer is maleic anhydride grafted polypropylene, the density is 0.865-0.875g/cm3, the grafting ratio is 0.8-1.5%, the tensile strength is 25-28MPa, the melting point is 135-140 ℃, and the melt index is 45-50g/10min under the conditions of 190 ℃ and 2.16 kg.
The preparation method of the polypropylene composite material with high transparency and high oxygen resistance comprises the following steps:
(1) weighing polypropylene, talcum powder, quartz fiber, polar compatilizer and paraffin particles according to the proportion, and then uniformly mixing the materials at the mixing temperature of 60 ℃;
(2) and adding the uniformly mixed raw materials into a double-screw extruder for extrusion granulation, wherein the extrusion temperature of the double-screw extruder is 200 ℃, the rotating speed of a screw of the extruder is 350rpm, and finally drying to obtain the polypropylene composite material.
Example 4
A high-strength high-fluidity polypropylene bonding resin comprises the following components in parts by weight:
wherein the filament diameter of the quartz fiber is 6-12 μm, the softening point is 550-630 ℃, and the density is 2.35-2.72g/cm3The length is 2-5 mm;
the particle size of the talcum powder is 1250 meshes, and the specific gravity is 2.7-2.8.
The polar compatilizer is maleic anhydride grafted polypropylene, the density is 0.865-0.875g/cm3, the grafting ratio is 0.8-1.5%, the tensile strength is 25-28MPa, the melting point is 135-140 ℃, and the melt index is 45-50g/10min under the conditions of 190 ℃ and 2.16 kg.
The preparation method of the high-strength high-fluidity polypropylene bonding resin comprises the following steps:
(1) weighing polypropylene, talcum powder, quartz fiber, polar compatilizer and paraffin particles according to the proportion, and then uniformly mixing the materials at the mixing temperature of 60 ℃;
(2) and adding the uniformly mixed raw materials into a double-screw extruder for extrusion granulation, wherein the extrusion temperature of the double-screw extruder is 200 ℃, the rotating speed of a screw of the extruder is 350rpm, and finally drying to obtain the polypropylene composite material.
Comparative example
The polypropylene bonding resin specimens prepared in examples 1 to 4 and the ordinary unmodified polypropylene bonding resin specimens were subjected to performance tests according to respective test standards, wherein the tensile strength was standard GB/T1040, the melt index was standard GB/T3682, the peel strength was standard GB/T2790, and the test results are shown in Table 1.
TABLE 1
It can be seen that the polypropylene bonding resins of examples 1 to 4 of the present invention have tensile strengths and melt index values greater than those of the commercially available polypropylene bonding resins, compared to the commercially available ordinary polypropylene bonding resins. The polypropylene composite material prepared by the invention has higher strength and better fluidity, and the peel strength is comparable to or even slightly higher than that of the common polypropylene adhesive resin sold in the market.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (9)
1. The high-strength high-fluidity polypropylene bonding resin is characterized by comprising the following components in parts by weight:
wherein the filament diameter of the quartz fiber is 6-12 μm, the softening point is 550-630 ℃, and the density is 2.35-2.72g/cm3。
2. The high-strength high-fluidity polypropylene bonding resin as claimed in claim 1, which is characterized by comprising the following components in parts by weight:
3. the high-strength high-fluidity polypropylene bonding resin according to claim 1, wherein the length of the quartz fiber is 2 to 5 mm.
4. The high-strength high-fluidity polypropylene bonding resin according to claim 1, wherein the talc has a particle size of 1250 mesh and a specific gravity of 2.7 to 2.8.
5. The high-strength high-flowability polypropylene bonding resin as claimed in claim 1, wherein the polar compatibilizer is maleic anhydride grafted polypropylene.
6. The high-strength high-fluidity polypropylene bonding resin according to claim 5, wherein the density of the maleic anhydride grafted polypropylene is 0.865 to 0.875g/cm3The grafting rate is 0.8-1.5%, the tensile strength is 25-28MPa, the melting point is 135-140 ℃, and the melt index is 45-50g/10min under the conditions of 190 ℃ and 2.16 kg.
7. A method for preparing a high-strength high-fluidity polypropylene bonding resin according to any one of claims 1 to 6, comprising the steps of:
(1) weighing polypropylene, talcum powder, quartz fiber, polar compatilizer and paraffin particles according to the proportion, and then uniformly mixing the materials;
(2) and adding the uniformly mixed raw materials into an extruder for extrusion granulation.
8. The method according to claim 7, wherein the temperature of the mixing in the step (1) is 60 to 80 ℃.
9. The method as claimed in claim 7, wherein the extrusion temperature of the extrusion granulation in step (2) is 180-200 ℃, and the rotation speed of the extruder screw is 300-350 rpm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911378168.5A CN111073553A (en) | 2019-12-27 | 2019-12-27 | High-strength high-fluidity polypropylene bonding resin and preparation method thereof |
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| CN201911378168.5A CN111073553A (en) | 2019-12-27 | 2019-12-27 | High-strength high-fluidity polypropylene bonding resin and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112812444A (en) * | 2020-12-25 | 2021-05-18 | 上海邦中高分子材料股份有限公司 | Composite material with high low-temperature toughness and high fluidity and preparation method thereof |
| CN114369315A (en) * | 2021-12-30 | 2022-04-19 | 上海邦中高分子材料股份有限公司 | Super-strong super-tough flame-retardant polypropylene composite material and preparation method thereof |
-
2019
- 2019-12-27 CN CN201911378168.5A patent/CN111073553A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112812444A (en) * | 2020-12-25 | 2021-05-18 | 上海邦中高分子材料股份有限公司 | Composite material with high low-temperature toughness and high fluidity and preparation method thereof |
| CN114369315A (en) * | 2021-12-30 | 2022-04-19 | 上海邦中高分子材料股份有限公司 | Super-strong super-tough flame-retardant polypropylene composite material and preparation method thereof |
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