CN105860249A - Lightweight polypropylene material containing microcapsule foaming agent - Google Patents
Lightweight polypropylene material containing microcapsule foaming agent Download PDFInfo
- Publication number
- CN105860249A CN105860249A CN201610238422.1A CN201610238422A CN105860249A CN 105860249 A CN105860249 A CN 105860249A CN 201610238422 A CN201610238422 A CN 201610238422A CN 105860249 A CN105860249 A CN 105860249A
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- Prior art keywords
- polypropylene material
- material containing
- microsphere
- microcapsule foamer
- acrylic resin
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/02—Making microcapsules or microballoons
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/32—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof from compositions containing microballoons, e.g. syntactic foams
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Dispersion Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a lightweight polypropylene material containing a microcapsule foaming agent. The lightweight polypropylene material is prepared from, by weight, 100 parts of polypropylene resin, 1-10 parts of nucleating agent, 5-15 parts of microcapsule foaming agent and 10-20 parts of polyurethane elastomer, and the polypropylene resin is the polypropylene resin which is of a C6-C8 long chain branch structure. The foamed polypropylene is high in foaming ratio, uniform in cell size, small in material density, excellent in mechanical property of the material, and a formed body obtained through foamed polypropylene is excellent in surface quality and good in size stability.
Description
Technical field
The present invention relates to a kind of polypropylene material, be specifically related to a kind of lightweight polypropylene material containing microcapsule foamer.
Background technology
Expanded polypropylene resin has the strain response rate after the most excellent resistance to chemical reagents, thermostability, compression for foamed polystyrene resin, compared with foamed polyvinyl resin, expanded polypropylene has more excellent precision size degree, thermostability, compressive strength, due to above-mentioned excellent properties, the foam molding that expanded polypropylene obtains can be used for the various uses such as adiabator, amortizing packaging material, interior automotive trim parts, bumper core.
Although existing expanded polypropylene or strength of materials excellence, but expansion ratio is low, it is impossible to meet the requirement of material lightweight, there is higher expansion ratio, but material mechanical performance is poor, and contraction, deformation when easily there is making structure becomes big, the problems such as surface quality is poor.
Summary of the invention
The technical problem to be solved in the present invention is the defect overcoming prior art, it is provided that a kind of lightweight polypropylene material containing microcapsule foamer, and this polypropylene material expansion ratio is high, and mechanical property is good.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of lightweight polypropylene material containing microcapsule foamer, mark meter by weight, including following components: acrylic resin 100 parts, nucleator 1-10 part, microcapsule foamer 5-15 part, polyurethane elastomer 10-20 part, described acrylic resin is the acrylic resin with C6-C8 LCB structure.Preferably, polypropylene material of the present invention also includes the auxiliary agents such as antioxidant, fire retardant, compatilizer.
Preferably, the size of described polyurethane elastomer is 0.05-3.0 μm.
Preferably, the MIF of described acrylic resin is 0.5-20.0g/10min, and described acrylic resin is 15.0 to 20.0 by the molecular weight distribution mw/mn that GPC measures, and Mz/Mw is more than 3.5；Described acrylic resin is 1, and branch index g' under absolute molecular weight Mabs of 000,000 is 0.8-2.0, and described melt flow rate (MFR) measurement is according to ASTM D-1238, and 230 DEG C/2.16 kilograms kg weight of condition are carried out.Absolute molecular weight Mabs of the present invention is measured by light scattering method
Preferably, described microcapsule foamer is prepared by the method comprised the following steps:
S1: suspension polymerization prepares polymer microsphere；Preferably, the monomer preparing the use of this polymer microsphere is acrylonitrile monomer.
S2: be coated with polymer microsphere with tetraethyl orthosilicate, obtains the microsphere a of coated with silica；
S3: microsphere a is calcined to obtain hollow silicon dioxide microsphere b；
S4: be soaked in butane or pentane by microsphere b, obtains the microsphere c containing butane or pentane；
S5: with tetraethyl orthosilicate, microsphere c is coated with, obtains microcapsule foamer.
Preferably, the calcining heat in step S3 is more than 300 DEG C.
Preferably, the calcining heat in step S3 is 800-900 DEG C.
Preferably, the diameter of described microcapsule foamer is less than 5 μm.
Preferably, described nucleator is sorbose alcohols nucleator.
The beneficial effect that the present invention is reached:
The expanded polypropylene expansion ratio of the present invention is high, abscess-size is uniform, and density of material is little, and material mechanical performance is excellent, this expanded polypropylene the formed body surface quality obtained is excellent, good stability of the dimension.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described.Following example are only used for clearly illustrating technical scheme, and can not limit the scope of the invention with this.
Embodiment 1
First microcapsule foamer is prepared:
S1: suspension polymerization prepares polymer microsphere；The monomer preparing the use of this polymer microsphere is acrylonitrile monomer.
S2: be coated with polymer microsphere with tetraethyl orthosilicate, obtains the microsphere a of coated with silica；
S3: microsphere a is calcined to obtain hollow silicon dioxide microsphere b；Calcining heat is 800 DEG C；
S4: be soaked in butane by microsphere b, obtains the microsphere c containing butane；
S5: with tetraethyl orthosilicate, microsphere c is coated with, obtains microcapsule foamer.This microcapsule foamer particle diameter size is 0.5 μm.
Then, weighing acrylic resin 100 parts, sorbose alcohols nucleator 1 part, microcapsule foamer 9 parts, polyurethane elastomer 10 parts by weight, described acrylic resin is the acrylic resin with C6-C8 LCB structure.The size of polyurethane elastomer is 0.5 μm.Above each component is prepared polypropylene material with melt-blending process commonly used in the art.
Acrylic resin used above has the property that
MIF is 0.5-20.0g/10min；The molecular weight distribution mw/mn measured by GPC is 15.0 to 20.0, and Mz/Mw is more than 3.5；1, branch index g' under absolute molecular weight Mabs of 000,000 is 0.8-2.0, and described melt flow rate (MFR) measurement is according to ASTM D-1238, and 230 DEG C/2.16 kilograms kg weight of condition are carried out.Absolute molecular weight MabsMeasured by light scattering method
The expanded polypropylene material obtained is carried out performance test, and impact strength testing standard is ISO179/2-93, unit K J/m3, expansion ratio is 60, and impact strength is 20 KJ/m3, temperature is 23.8 DEG C, and when humidity is 58%RH, sample rate is 0.076g/cm3。
Embodiment 2
Prepare microcapsule foamer the most as described in Example 1:
Then, weighing acrylic resin 100 parts, sorbose alcohols nucleator 5 parts, microcapsule foamer 10 parts, polyurethane elastomer 20 parts by weight, described acrylic resin is the acrylic resin with C6-C8 LCB structure.The size of polyurethane elastomer is 0.5 μm.Above each component is prepared polypropylene material with melt-blending process commonly used in the art.
The expanded polypropylene material obtained is carried out performance test, and impact strength testing standard is ISO179/2-93, unit K J/m3, expansion ratio is 50, and impact strength is 30KJ/m3., temperature is 23.8 DEG C, and when humidity is 58%RH, sample rate is 0.066g/cm3。
Embodiment 3
Prepare microcapsule foamer the most as described in Example 1:
Then, weighing acrylic resin 100 parts, sorbose alcohols nucleator 1 part, microcapsule foamer 12 parts, polyurethane elastomer 15 parts by weight, described acrylic resin is the acrylic resin with C6-C8 LCB structure.The size of polyurethane elastomer is 0.5 μm.Above each component is prepared polypropylene material with melt-blending process commonly used in the art.
The expanded polypropylene material obtained is carried out performance test, and impact strength testing standard is ISO179/2-93, unit K J/m3, expansion ratio is 45, and impact strength is 28KJ/m3., temperature is 23.8 DEG C, and when humidity is 58%RH, sample rate is 0.070g/cm3。
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, on the premise of without departing from the technology of the present invention principle; can also make some improvement and deformation, these improve and deformation also should be regarded as protection scope of the present invention.
Claims (9)
1. the lightweight polypropylene material containing microcapsule foamer, it is characterized in that, mark meter by weight, including following components: acrylic resin 100 parts, nucleator 1-10 part, microcapsule foamer 5-15 part, polyurethane elastomer 10-20 part, described acrylic resin is the acrylic resin with C6-C8 LCB structure.
A kind of lightweight polypropylene material containing microcapsule foamer the most according to claim 1, it is characterised in that the size of described polyurethane elastomer is 0.05-3.0 μm.
A kind of lightweight polypropylene material containing microcapsule foamer the most according to claim 1, it is characterized in that, the MIF of described acrylic resin is 0.5-20.0g/10min, described acrylic resin is 15.0 to 20.0 by the molecular weight distribution mw/mn that GPC measures, and Mz/Mw is more than 3.5；Described acrylic resin is 1, and branch index g' under absolute molecular weight Mabs of 000,000 is 0.8-2.0, and described melt flow rate (MFR) measurement is according to ASTM D-1238, and 230 DEG C/2.16 kilograms kg weight of condition are carried out.
4. according to a kind of lightweight polypropylene material containing microcapsule foamer described in any one of claim 1-3, it is characterised in that described microcapsule foamer is prepared by the method comprised the following steps:
S1: suspension polymerization prepares polymer microsphere；
S2: be coated with polymer microsphere with tetraethyl orthosilicate, obtains the microsphere a of coated with silica；
S3: microsphere a is calcined to obtain hollow silicon dioxide microsphere b；
S4: be soaked in butane or pentane by microsphere b, obtains the microsphere c containing butane or pentane；
S5: with tetraethyl orthosilicate, microsphere c is coated with, obtains microcapsule foamer.
A kind of lightweight polypropylene material containing microcapsule foamer the most according to claim 4, it is characterised in that the calcining heat in step S3 is more than 300 DEG C.
A kind of lightweight polypropylene material containing microcapsule foamer the most according to claim 5, it is characterised in that the calcining heat in step S3 is 800-900 DEG C.
A kind of lightweight polypropylene material containing microcapsule foamer the most according to claim 6, it is characterised in that the monomer preparing the use of described polymer microsphere is acrylonitrile monomer.
A kind of lightweight polypropylene material containing microcapsule foamer the most according to claim 1, it is characterised in that the diameter of described microcapsule foamer is less than 5 μm.
A kind of lightweight polypropylene material containing microcapsule foamer the most according to claim 1, it is characterised in that described nucleator is sorbose alcohols nucleator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610238422.1A CN105860249A (en) | 2016-04-18 | 2016-04-18 | Lightweight polypropylene material containing microcapsule foaming agent |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610238422.1A CN105860249A (en) | 2016-04-18 | 2016-04-18 | Lightweight polypropylene material containing microcapsule foaming agent |
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| CN105860249A true CN105860249A (en) | 2016-08-17 |
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| CN201610238422.1A Pending CN105860249A (en) | 2016-04-18 | 2016-04-18 | Lightweight polypropylene material containing microcapsule foaming agent |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106751000A (en) * | 2016-12-26 | 2017-05-31 | 浙江普利特新材料有限公司 | A kind of new micro-foaming polypropylene composite material and preparation method thereof |
| CN109180886A (en) * | 2018-08-01 | 2019-01-11 | 施昕瑶 | A kind of preparation method of cross-linking modified phenolic resin package water microcapsule foamer |
| CN109705465A (en) * | 2018-12-29 | 2019-05-03 | 中国科学院宁波材料技术与工程研究所 | A kind of hollow foam polyolefin material and preparation method thereof |
| CN110305412A (en) * | 2019-07-22 | 2019-10-08 | 苏州润佳工程塑料股份有限公司 | A kind of chirality silicon dioxide fibre enhanced foaming PP composite material |
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| CN102888055A (en) * | 2011-07-21 | 2013-01-23 | 中国石油化工股份有限公司 | High-melt strength polypropylene foam material and preparation method thereof |
| CN104031316A (en) * | 2014-06-09 | 2014-09-10 | 温州科力塑业有限公司 | Ultra-low density polypropylene composite material capable of being used for 3D printing and preparation method thereof. |
| CN104725718A (en) * | 2014-12-26 | 2015-06-24 | 上海金发科技发展有限公司 | Polypropylene structure foamed material with favorable appearance and preparation method thereof |
| CN104974424A (en) * | 2015-07-01 | 2015-10-14 | 中国科学院宁波材料技术与工程研究所 | Open-hole polymer foamed material and preparation method thereof |
| CN105271264A (en) * | 2015-09-28 | 2016-01-27 | 常州大学 | Preparation method of mono-dispersed hollow silica beads |
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Patent Citations (6)
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| CN102888055A (en) * | 2011-07-21 | 2013-01-23 | 中国石油化工股份有限公司 | High-melt strength polypropylene foam material and preparation method thereof |
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| CN105271264A (en) * | 2015-09-28 | 2016-01-27 | 常州大学 | Preparation method of mono-dispersed hollow silica beads |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106751000A (en) * | 2016-12-26 | 2017-05-31 | 浙江普利特新材料有限公司 | A kind of new micro-foaming polypropylene composite material and preparation method thereof |
| CN109180886A (en) * | 2018-08-01 | 2019-01-11 | 施昕瑶 | A kind of preparation method of cross-linking modified phenolic resin package water microcapsule foamer |
| CN109180886B (en) * | 2018-08-01 | 2020-12-11 | 施昕瑶 | Preparation method of crosslinking modified phenolic resin coated water microcapsule foaming agent |
| CN109705465A (en) * | 2018-12-29 | 2019-05-03 | 中国科学院宁波材料技术与工程研究所 | A kind of hollow foam polyolefin material and preparation method thereof |
| CN110305412A (en) * | 2019-07-22 | 2019-10-08 | 苏州润佳工程塑料股份有限公司 | A kind of chirality silicon dioxide fibre enhanced foaming PP composite material |
| CN110305412B (en) * | 2019-07-22 | 2021-04-23 | 苏州润佳工程塑料股份有限公司 | Chiral silica fiber reinforced foamed polypropylene composite material |
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Application publication date: 20160817 |