CN106750877A - A kind of string modified polypropylene composite material and its preparation technology - Google Patents

A kind of string modified polypropylene composite material and its preparation technology Download PDF

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Publication number
CN106750877A
CN106750877A CN201510801217.7A CN201510801217A CN106750877A CN 106750877 A CN106750877 A CN 106750877A CN 201510801217 A CN201510801217 A CN 201510801217A CN 106750877 A CN106750877 A CN 106750877A
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string
calcium sulfate
composite material
coupling agent
consumption
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Inventor
于敬阳
刘刚
林航
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Heilongjiang Xinda Enterprise Group Co Ltd
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Heilongjiang Xinda Enterprise Group Co Ltd
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Priority to CN201510801217.7A priority Critical patent/CN106750877A/en
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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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L97/00—Compositions of lignin-containing materials
    • C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
    • 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
    • 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
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16—Fibres; Fibrils

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The present invention relates to a kind of string modified polypropylene composite material and its preparation technology, the composite by following components by weight percentage：Calcium sulfate 5~20%, thermoplastic starch 20~35%, string 30~50%, polypropylene 20~40%；Processing aid：Compatilizer, Silane coupling agent KH550, titanate coupling agent；Plasticizer, glycerine；Lubricant, stearic acid；Antioxidant 1010 etc..Present invention additionally comprises the preparation technology of modified polypropylene composite material, modified polypropylene composite material mechanical property is good, and degradability is good, low cost of manufacture, is especially suitable to be used for making the packing containers such as Turnover Box, pallet mess-tin.

Description

A kind of string modified polypropylene composite material and its preparation technology
Technical field
The present invention relates to a kind of PP composite material and its preparation technology  more particularly, to a kind of string modified polypropylene composite material and its preparation technology.
Background technology
The source of plastics is mainly natural oil, and the storage of these energy has certain limit.And plastics are difficult fast degradation under natural endowment, and very big pressure is caused to environment and resource.Filling degradable material is the heat subject studied in recent ten years in plastic substrate, added for example in plastic substrate string or starch be made can Partial digestion material, Shenyang it is fertile and composite scientific ＆ trading Co., Ltd. Development and Production goes out a kind of new green environment protection material, the substitute of plastics --- the wooden composite pallet of modeling《Plastics industry》5th phase page 45 in 2002 has delivered a kind of development paper of Degradable Cellulose Reinforced Starch Foamed Plastics Dishware.But both mechanics of materials intensity are all very low, are difficult to apply to other fields.
A kind of thermoplastic resin of prepared by polypropylene plastics has propylene polymerization.There are isotactic thing, random thing and rule three kinds of configurations of thing, industrial products are with isotactic thing as main component.Including polypropylene copolymer also including propylene with a small amount of ethene.Usually translucent colorless solid, odorless is nontoxic.The highly crystallized due to compound with regular structure, therefore fusing point is up to 167 DEG C, heat-resisting, product can be its outstanding advantages with moise-heat sterilization.Density 0.90g/cm3, it is most light general-purpose plastics.Corrosion-resistant, tensile strength 30MPa, intensity, rigidity and the transparency are all better than polyethylene.
The content of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, there is provided a kind of mechanical property is good, and degradability is good, the modified polypropylene composite material and its preparation technology of low cost of manufacture.
The technical scheme that the present invention solution technical problem is used is made of the modified polypropylene composite material of the  present invention by the main material of following percentage by weight：The % of calcium sulfate 5~20, the % of thermoplastic starch 20~35, the % of string 30~50, the % of polypropylene 20~40.
Processing aid, compatilizer Silane coupling agent KH550, titanate coupling agent；Plasticizer, glycerine；Lubricant, stearic acid；Antioxidant 1010.Compatilizer-Silane coupling agent KH550 consumption is the 4~10% of calcium sulfate quality, preferably 5%；Compatilizer-titanate coupling agent consumption is the 1~6% of string quality, preferably 5%.Plasticizer glycerine consumption is the 15~50% of thermoplastic starch quality, preferably 40%.The consumption of lubricant stearic acid is the 2~6% of calcium sulfate, thermoplastic starch and string gross mass, preferably 4%.Antioxidant 1010 consumption is the 0.5~4% of calcium sulfate, thermoplastic starch and string gross mass, preferably 4%.The particle diameter distribution of the calcium sulfate is at 50nm~500nm (preferably 100nm)；The string can be wood powder fiber, and the draw ratio of fiber can be 5~20, preferably 10.
A kind of string modified polypropylene composite material of the invention and its preparation technology, comprise the following steps：
1、 Compatilizer Silane coupling agent KH550 and calcium sulfate are placed in absolute ethyl alcohol and are reacted 4~6 hours under the conditions of 75~85 DEG C, filtering, drying obtain modified calcium sulfate, standby.
2、 The sodium hydroxide solution that string mass concentration is 2~9 is soaked 1~8 hour, is then washed to neutrality with clear water, dried in 70~80 DEG C of baking ovens to moisture content<4%, it is standby.
3、 Mix 7~10 minutes during thermoplastic starch, polypropylene, compatilizer titanate coupling agent, plasticizer glycerine, lubricant stearic acid, antioxidant 1010, the modified calcium sulfate of step 1 gained and step 2 gained string are added into high-speed mixer.
4th, step 3 gained mixture is placed in extruder and is extruded, granulation.
A kind of string modified polypropylene composite material according to claim 9 and its preparation technology, it is characterised in that including following step：
1、 Compatilizer Silane coupling agent KH550 and calcium sulfate are placed in absolute ethyl alcohol and are reacted 5 hours under the conditions of 80 DEG C, filtering, dry the calcium sulfate that must be modified, it is standby.
2、 The sodium hydroxide solution that string mass concentration is 6 is soaked 6 hours, is then washed to neutrality with clear water, dried in 80 DEG C of baking ovens to moisture content<4%, it is standby.
3、 Mix 10 minutes during thermoplastic starch, polypropylene, compatilizer titanate coupling agent, plasticizer glycerine, lubricant stearic acid, antioxidant 1010, the modified calcium sulfate of step 1 gained and step 2 gained string are added into high-speed mixer.
4、 Step 3 gained mixture is placed in extruder and is extruded, granulated.
Modified polypropylene composite material of the invention, the good degradability of mechanical property is good, low cost of manufacture, is especially suitable to be used for making the packing containers such as Turnover Box, pallet mess-tin.
Specific embodiment
The present invention is described in further detail below in conjunction with specific embodiment.
Embodiment 1
The modified polypropylene composite material of the present embodiment is made up of the main material of following percentage by weight：The % of calcium sulfate 10, the % of thermoplastic starch 20, the % of wood powder fiber 30, polypropylene 40 %。
Processing aid is compatilizer Silane coupling agent KH550, titanate coupling agent；Plasticizer, glycerine；Lubricant, stearic acid；Antioxidant 1010.Compatilizer Silane coupling agent KH550 consumption is the 6% of calcium sulfate quality, and compatilizer titanate coupling agent consumption is the 4% of wood powder fiber quality；Plasticizer glycerine consumption is the 20% of thermoplastic starch quality；The consumption of lubricant stearic acid is the 2% of calcium sulfate, thermoplastic starch and wood powder total fiber mass；Antioxidant 1010 consumption is the 1% of calcium sulfate, thermoplastic starch and wood powder total fiber mass, and the particle diameter of the calcium sulfate is 50nm；The draw ratio of the wood powder fiber is 5.
Preparation method：
1. compatilizer Silane coupling agent KH550 and calcium sulfate are placed in absolute ethyl alcohol and are reacted 5 hours under the conditions of 80 DEG C, filtering, dry the calcium sulfate that must be modified, it is standby.
2. the sodium hydroxide solution that wood powder fiber mass concentration is 4% is soaked 6 hours, then washed to neutrality with clear water, dried in 80 DEG C of baking ovens to moisture content 3%, it is standby.
3. mix 7 minutes in thermoplastic starch, polypropylene, compatilizer titanate coupling agent, plasticizer glycerine, lubricant stearic acid, antioxidant 1010, the modified calcium sulfate of step 1 gained and step 2 gained wood powder fiber being added into high-speed mixer.
4. step 3 gained mixture is placed in extruder and extruded, granulation.
The present embodiment Product checking result：Tensile strength is 14.2Mpa, and elongation at break is 53%, and bending strength is that 14.9MPa cantilever beam impact strengths are 7.9kJ/m2, weight average molecular weight rate of descent is 83%.
Embodiment 2
The modified polypropylene composite material of the present embodiment is made up of the main material of following percentage by weight：The % of calcium sulfate 10, the % of thermoplastic starch 25, the % of wood powder fiber 45, the % of polypropylene 20.Processing aid, compatilizer：Silane coupling agent KH550, titanate coupling agent；Plasticizer：Glycerine；Lubricant：Stearic acid；Antioxidant 1010.Compatilizer Silane coupling agent KH550 consumption is the 5% of calcium sulfate quality, and compatilizer titanate coupling agent consumption is the 5% of wood powder fiber quality；Plasticizer glycerine consumption is the 40% of thermoplastic starch quality, the consumption of lubricant stearic acid is the 4% of calcium sulfate, thermoplastic starch and wood powder total fiber mass, antioxidant 1010 consumption is the 4% of calcium sulfate, thermoplastic starch and wood powder total fiber mass, the particle diameter of the calcium sulfate is 100nm, and the draw ratio of the wood powder fiber is 10.
Preparation method
1st, compatilizer Silane coupling agent KH550 and calcium sulfate are placed in absolute ethyl alcohol and are reacted 5 hours under the conditions of 80 DEG C, filtering, dry the calcium sulfate that must be modified, it is standby.
2nd, the sodium hydroxide solution that wood powder fiber mass concentration is 6% is soaked 6 hours, is then washed to neutrality with clear water, dried in 80 DEG C of baking ovens standby to moisture content 3%.
3rd, 10 minutes are mixed in thermoplastic starch, polypropylene, compatilizer titanate coupling agent, plasticizer glycerine, lubricant stearic acid, antioxidant 1010, the modified calcium sulfate of step 1 gained and step 1 gained wood powder fiber being added into high-speed mixer
4th, step 3 gained mixture is placed in extruder and is extruded, granulation.
The present embodiment Product checking result：Tensile strength is 15.7Mpa, and elongation at break is 41%, and bending strength is 15.9MPa, and cantilever beam impact strength is 6.9kJ/m2, weight average molecular weight rate of descent is 90%.
Embodiment 3
The modified polypropylene composite material of the present embodiment is made the % of calcium sulfate 5, the % of thermoplastic starch 35, the % of wood powder fiber 40, polypropylene, 20 % by the main material of following percentage by weight.Processing aid, compatilizer：Silane coupling agent KH550, titanate coupling agent；Plasticizer：Glycerine；Lubricant：Stearic acid；Antioxidant 1010.Compatilizer Silane coupling agent KH550 consumption is the 5% of calcium sulfate quality；Compatilizer titanate coupling agent consumption is the 2% of wood powder fiber quality；Plasticizer glycerine consumption is the 50% of thermoplastic starch quality；The consumption of lubricant stearic acid is the 4% of calcium sulfate, thermoplastic starch and wood powder total fiber mass；Antioxidant 1010 consumption is the 4% of calcium sulfate, thermoplastic starch and wood powder total fiber mass；The particle diameter of the calcium sulfate is 500nm, and the draw ratio of the wood powder fiber is 10.
Preparation method
1st, compatilizer Silane coupling agent KH550 and calcium sulfate are placed in absolute ethyl alcohol and are reacted 5 hours under the conditions of 80 DEG C, filtering, dry the calcium sulfate that must be modified, it is standby.
2nd, wood powder fiber is soaked into 6 hours  with the sodium hydroxide solution that mass concentration is 6% and then is washed to neutrality with clear water, dried in 80 DEG C of baking ovens to moisture content 3%, it is standby.
3rd, 10 minutes  are mixed in thermoplastic starch, polypropylene, compatilizer titanate coupling agent, plasticizer glycerine, lubricant stearic acid, antioxidant 1010, the modified calcium sulfate of step 1 gained and step 2 gained wood powder fiber being added into high-speed mixer
4th, step 3 gained mixture is placed in extruder and is extruded, granulation.
The present embodiment Product checking result：Tensile strength is 14.8Mpa, and elongation at break is 39%, and bending strength is 15.2MPa, and cantilever beam impact strength is 6.7kJ/m2, weight average molecular weight rate of descent is 93%.

Claims (10)

1. a kind of string modified polypropylene composite material, it is characterised in that be made up of the main material of following percentage by weight：Calcium sulfate 5~20%, thermoplastic starch 20~35%, string 30~50%, polypropylene 20~40%；Processing aid：Compatilizer, Silane coupling agent KH550, titanate coupling agent；Plasticizer, glycerine；Lubricant, stearic acid；Antioxidant 1010；Silane coupling agent KH550 consumption is the 4~10% of calcium sulfate quality, and titanate coupling agent consumption is the 1~6% of string quality；Plasticizer glycerine consumption is the 15~50% of thermoplastic starch quality；The consumption of lubricant stearic acid is the 2~6% of calcium sulfate, thermoplastic starch and string gross mass；Antioxidant 1010 consumption is the 0.5~4% of calcium sulfate, thermoplastic starch and string gross mass；In 50nm~500nm, the draw ratio of the string is 5~20 to the particle diameter distribution of the calcium sulfate.
2. a kind of string modified polypropylene composite material according to claim 1 and its preparation technology, it is characterised in that be made up of the main material of following percentage by weight：Calcium sulfate 10%, thermoplastic starch 25%, string 45%, polypropylene 20%.
3. a kind of string modified polypropylene composite material according to claim 1 and 2 and its preparation technology, it is characterized in that the compatilizer-Silane coupling agent KH550 consumption is the 5% of calcium sulfate quality, compatilizer-titanate coupling agent consumption is the 5% of string quality.
4. a kind of string modified polypropylene composite material according to claim 1 and 2 and its preparation technology, it is characterised in that the plasticizer glycerine consumption is the 40% of thermoplastic starch quality.
5. a kind of string modified polypropylene composite material according to claim 1 and 2 and its preparation technology, it is characterised in that the consumption of the lubricant stearic acid is the 4% of calcium sulfate, thermoplastic starch and string gross mass.
6. a kind of string modified polypropylene composite material according to claim 1 and 2 and its preparation technology, it is characterised in that the antioxidant 1010 consumption is the 4% of calcium sulfate, thermoplastic starch and string gross mass.
7. a kind of string modified polypropylene composite material according to claim 1 and 2 and its preparation technology, it is characterised in that the particle diameter of the calcium sulfate is 100nm.
8. a kind of string modified polypropylene composite material according to claim 1 and 2 and its preparation technology, it is characterised in that the string is wood powder fiber, and the draw ratio of the string is 10.
9. a kind of a kind of string modified polypropylene composite material as claimed in claim 1 or 2 and its preparation technology, it is characterised in that comprise the following steps：
Compatilizer Silane coupling agent KH550 and calcium sulfate are placed in absolute ethyl alcohol and are reacted 4~6 hours under the conditions of 75~85 DEG C, filtering, drying obtain modified calcium sulfate, standby；
The sodium hydroxide solution that string mass concentration is 2~9 is soaked 1~8 hour, is then washed to neutrality with clear water, dried in 70~80 DEG C of baking ovens to moisture content<4%, it is standby；
Mix 7~10 minutes during thermoplastic starch, polypropylene, compatilizer titanate coupling agent, plasticizer glycerine, lubricant stearic acid, antioxidant 1010, the modified calcium sulfate of step 1 gained and step 2 gained string are added into high-speed mixer；
Step 3 gained mixture is placed in extruder and is extruded, granulation.
10. a kind of string modified polypropylene composite material according to claim 9 and its preparation technology, it is characterised in that including following step：
Compatilizer Silane coupling agent KH550 and calcium sulfate are placed in absolute ethyl alcohol and are reacted 5 hours under the conditions of 80 DEG C, filtering, dry the calcium sulfate that must be modified, it is standby；
The sodium hydroxide solution that string mass concentration is 6 is soaked 6 hours, is then washed to neutrality with clear water, dried in 80 DEG C of baking ovens to moisture content<4%, it is standby；
Mix 10 minutes during thermoplastic starch, polypropylene, compatilizer titanate coupling agent, plasticizer glycerine, lubricant stearic acid, antioxidant 1010, the modified calcium sulfate of step 1 gained and step 2 gained string are added into high-speed mixer；
Step 3 gained mixture is placed in extruder and is extruded, granulated.
CN201510801217.7A 2015-11-19 2015-11-19 A kind of string modified polypropylene composite material and its preparation technology Pending CN106750877A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110615942A (en) * 2019-09-12 2019-12-27 泉州龙晟轻工有限公司 Self-cleaning polypropylene material and self-cleaning disposable tableware made of same
CN110615943A (en) * 2019-09-12 2019-12-27 泉州龙晟轻工有限公司 Preparation method of self-cleaning polypropylene-based disposable tableware sheet
CN110669277A (en) * 2019-11-15 2020-01-10 黑龙江幸福人生态农业开发股份有限公司 Environment-friendly degradable plastic turnover box made of straw or rice hull raw materials
CN110819130A (en) * 2019-10-29 2020-02-21 浙江新亚伦纸业有限公司 Plant fiber material capable of being degraded quickly and preparation method thereof
CN113502021A (en) * 2021-08-17 2021-10-15 惠州洋瑞印刷包装有限公司 Environment-friendly high-temperature-resistant plastic material and lunch box

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110615942A (en) * 2019-09-12 2019-12-27 泉州龙晟轻工有限公司 Self-cleaning polypropylene material and self-cleaning disposable tableware made of same
CN110615943A (en) * 2019-09-12 2019-12-27 泉州龙晟轻工有限公司 Preparation method of self-cleaning polypropylene-based disposable tableware sheet
CN110819130A (en) * 2019-10-29 2020-02-21 浙江新亚伦纸业有限公司 Plant fiber material capable of being degraded quickly and preparation method thereof
CN110669277A (en) * 2019-11-15 2020-01-10 黑龙江幸福人生态农业开发股份有限公司 Environment-friendly degradable plastic turnover box made of straw or rice hull raw materials
CN113502021A (en) * 2021-08-17 2021-10-15 惠州洋瑞印刷包装有限公司 Environment-friendly high-temperature-resistant plastic material and lunch box

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