CN109575445A - A kind of Flexible toothbrush handle polypropylene material and preparation method thereof - Google Patents

A kind of Flexible toothbrush handle polypropylene material and preparation method thereof Download PDF

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Publication number
CN109575445A
CN109575445A CN201710906540.XA CN201710906540A CN109575445A CN 109575445 A CN109575445 A CN 109575445A CN 201710906540 A CN201710906540 A CN 201710906540A CN 109575445 A CN109575445 A CN 109575445A
Authority
CN
China
Prior art keywords
toothbrush handle
polypropylene material
calcium carbonate
flexible
injection molding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710906540.XA
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Chinese (zh)
Inventor
屠嵩涛
李栋
王兴仁
李森
笪文忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Petroleum and Chemical Corp
Sinopec Yangzi Petrochemical Co Ltd
Original Assignee
China Petroleum and Chemical Corp
Sinopec Yangzi Petrochemical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Petroleum and Chemical Corp, Sinopec Yangzi Petrochemical Co Ltd filed Critical China Petroleum and Chemical Corp
Priority to CN201710906540.XA priority Critical patent/CN109575445A/en
Publication of CN109575445A publication Critical patent/CN109575445A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24Acids; Salts thereof
    • C08K3/26Carbonates; Bicarbonates
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24Acids; Salts thereof
    • C08K3/26Carbonates; Bicarbonates
    • C08K2003/265Calcium, strontium or barium carbonate

Abstract

The invention discloses a kind of Flexible toothbrush handle polypropylene materials and preparation method thereof.The component and weight percent of the toothbrush handle polypropylene material are as follows: atactic copolymerized polypropene 50~90%, calcium carbonate 8~48%, Masterbatch 2%.The calcium carbonate is precipitated calcium carbonate, and diameter dimension is in 200~2000 mesh.Toothbrush handle polypropylene material according to the present invention, use the preferable atactic copolymerized polypropene of toughness for primary raw material, and calcium carbonate is added, its rigidity is improved on the basis of meeting its toughness, so that the inflexible target of product promotes 20% or more, rigid-tough balance is more excellent, and the present invention is suitble to manufacture toothbrush handle product flexible, and manufacturing process is simple.

Description

A kind of Flexible toothbrush handle polypropylene material and preparation method thereof
Technical field
The present invention relates to a kind of polypropylene materials, more particularly to a kind of Flexible toothbrush handle polypropylene material and its preparation side Method.
Background technique
Currently, toothbrush handle in the market all uses injection molding and is made.Tooth-brush handle be preferably it is long and straight, handle Middle section will be bent slightly up, and have certain elastic and fixed fulcrum, it is therefore desirable to which camber, selection hold function with anti-skidding fit The toothbrush of energy is best.Toothbrush handle is usually of a straight line type with head toothbrushes, and tooth stress not only uniformly but also was convenient for erect brush, but some are special The handle designs of special-shaped toothbrush have certain curvature.Toothbrush handle form is easy to hold.Brush handle is preferably formed with anti-skidding rubber, should hold It holds comfortably, length is moderate, and has elasticity appropriate, and excessive strength when being brushed teeth with buffering makes toothbrush go to decontaminate with enough The strength of power and massage gum, and can be to avoid due to strength macrolesion gum of brushing teeth.
Polypropylene is a kind of import plastic material that dosage is huge.About toothbrush handle use in injection molding pp material, make For the product of modern crafts, polymarization method for prodcing polyacrylates is mature, technically reliable, and toothbrush handle pp material is crowd multiduty one Kind.Toothbrush handle polypropylene dedicated material is had no currently on the market, and each producer is only screened according to the Performance Evaluation of itself.It utilizes Toothbrush handle made of general polypropylene material is more crisp, easy fracture.
Summary of the invention
The object of the present invention is to provide a kind of Flexible toothbrush handle polypropylene materials and preparation method thereof, are led by being blended It to be the atactic copolymerized polypropene containing calcium carbonate.The approach for realizing this purpose is the calcium carbonate that certain mesh number is added, and is passed through The atactic copolymerized polypropene of suitable melting means is chosen to realize.
The technical solution adopted by the present invention is that:
A kind of Flexible toothbrush handle polypropylene material, the component and weight percent of the toothbrush handle polypropylene material are as follows: nothing Advise copolymer polypropylene 50~90%, calcium carbonate 8~48%, Masterbatch 2%.
The melt index of the atactic copolymerized polypropene is 0.2~20.
The preferred precipitated calcium carbonate of the calcium carbonate, diameter dimension is in 200~2000 mesh.
A kind of preparation method of Flexible toothbrush handle polypropylene material, its step are as follows:
(1) atactic copolymerized polypropene, calcium carbonate and Masterbatch are put into progress uniform stirring 5~15 in super mixer Minute, the speed of super mixer is 500~1500 revs/min;
(2) above-mentioned gained mixture is put into injection molding machine, carries out injection molding, injection molding machine temperature is 180~230 DEG C, air-cooled 4~5 hours after taking-up, finally obtain the toothbrush handle polypropylene material.
A kind of toothbrush handle flexible prepared by the present invention has preferable rigid-tough balance.Atactic copolymerized polypropene is recognized To be a kind of preferable material of toughness, but its rigidity is weaker.By be added diameter dimension the calcium carbonate of 200~2000 mesh can Preferably to solve the problems, such as this.
The utility model has the advantages that toothbrush handle of the invention is due to using the preferable atactic copolymerized polypropene of toughness for primary raw material, and Addition contains calcium carbonate, so that the rigid-tough balance of product is more excellent.Due to using atactic copolymerized polypropene for primary raw material, And be added and contain calcium carbonate and Masterbatch, compared with being added without calcium carbonate, the inflexible target of toothbrush handle will promote 20% or more, And change in toughness is little, and rigid-tough balance is more excellent.This technique is suitble to manufacture toothbrush handle product flexible, and manufacturing process Simply.
Specific embodiment
Detailed description of the preferred embodiments below, it should be noted however that protection of the invention Range is not limited to these specific embodiments, but is determined by claims.
Embodiment 1
A kind of toothbrush handle of flexible polypropylene material, the component and weight percent of the toothbrush handle are as follows: random copolymerization is poly- Propylene 90%, calcium carbonate 8%, Masterbatch 2%, calcium carbonate are 200 mesh.
(1) atactic copolymerized polypropene, calcium carbonate and Masterbatch are put into first and carries out uniform stirring in super mixer 10 minutes, the speed of super mixer was 800 revs/min;
(2) above-mentioned gained mixture is put into injection molding machine, carries out injection molding, injection molding machine temperature is taken out at 210 DEG C Decaptitating and air-cooled 2 hours are carried out after product, finally obtain product toothbrush handle.
National standard (GB/T9341-2008) batten is made in powder after step (1) mixing, and it is curved to measure its in standard laboratory Bent modulus 986MPa, room temperature shock resistance 20.8kJ/m2
Embodiment 2
A kind of toothbrush handle of flexible polypropylene material, the component and weight percent of the toothbrush handle are as follows: random copolymerization is poly- Propylene 80%, calcium carbonate 18%, Masterbatch 2%, calcium carbonate are 500 mesh.
(1) atactic copolymerized polypropene, calcium carbonate and Masterbatch are put into first and carries out uniform stirring in super mixer 10 minutes, the speed of super mixer was 800 revs/min;
(2) above-mentioned gained mixture is put into injection molding machine, carries out injection molding, injection molding machine temperature is taken out at 210 DEG C Decaptitating and air-cooled 2 hours are carried out after product, finally obtain product toothbrush handle.
National standard (GB/T9341-2008) batten is made in powder after step (1) mixing, and it is curved to measure its in standard laboratory Bent modulus 1020MPa, room temperature shock resistance 20.2kJ/m2
Embodiment 3
A kind of toothbrush handle of flexible polypropylene material, the component and weight percent of the toothbrush handle are as follows: random copolymerization is poly- Propylene 70%, calcium carbonate 28%, Masterbatch 2%, calcium carbonate are 1000 mesh.
(1) atactic copolymerized polypropene, calcium carbonate and Masterbatch are put into first and carries out uniform stirring in super mixer 10 minutes, the speed of super mixer was 800 revs/min;
(2) above-mentioned gained mixture is put into injection molding machine, carries out injection molding, injection molding machine temperature is taken out at 210 DEG C Decaptitating and air-cooled 2 hours are carried out after product, finally obtain product toothbrush handle.
National standard (GB/T9341-2008) batten is made in powder after step (1) mixing, and it is curved to measure its in standard laboratory Bent modulus 1068MPa, room temperature shock resistance 19.8kJ/m2
Embodiment 4
A kind of toothbrush handle of flexible polypropylene material, the component and weight percent of the toothbrush handle are as follows: random copolymerization is poly- Propylene 60%, calcium carbonate 38%, Masterbatch 2%, calcium carbonate are 1500 mesh.
(1) atactic copolymerized polypropene, calcium carbonate and Masterbatch are put into first and carries out uniform stirring in super mixer 10 minutes, the speed of super mixer was 800 revs/min;
(2) above-mentioned gained mixture is put into injection molding machine, carries out injection molding, injection molding machine temperature is taken out at 210 DEG C Decaptitating and air-cooled 2 hours are carried out after product, finally obtain product toothbrush handle.
National standard (GB/T9341-2008) batten is made in powder after step (1) mixing, and it is curved to measure its in standard laboratory Bent modulus 1111MPa, room temperature shock resistance 19.3kJ/m2
Embodiment 5
A kind of toothbrush handle of flexible polypropylene material, the component and weight percent of the toothbrush handle are as follows: random copolymerization is poly- Propylene 50%, calcium carbonate 48%, Masterbatch 2%, calcium carbonate are 2000 mesh.
(1) atactic copolymerized polypropene, calcium carbonate and Masterbatch are put into first and carries out uniform stirring in super mixer 10 minutes, the speed of super mixer was 800 revs/min;
(2) above-mentioned gained mixture is put into injection molding machine, carries out injection molding, injection molding machine temperature is taken out at 210 DEG C Decaptitating and air-cooled 2 hours are carried out after product, finally obtain product toothbrush handle.
National standard (GB/T9341-2008) batten is made in powder after step (1) mixing, and it is curved to measure its in standard laboratory Bent modulus 1156MPa, room temperature shock resistance 18.9kJ/m2
Comparative examples 6
A kind of toothbrush handle of polypropylene material, the component and weight percent of the toothbrush handle are as follows: atactic copolymerized polypropene 98%, Masterbatch 2%.
(1) atactic copolymerized polypropene and Masterbatch are put into super mixer first and are carried out uniform stirring 10 minutes, The speed of super mixer is 800 revs/min;
(2) above-mentioned gained mixture is put into injection molding machine, carries out injection molding, injection molding machine temperature is taken out at 210 DEG C Decaptitating and air-cooled 2 hours are carried out after product, finally obtain product toothbrush handle.
National standard (GB/T9341-2008) batten is made in powder after step (1) mixing, and it is curved to measure its in standard laboratory Bent modulus 812MPa, room temperature shock resistance 21.8kJ/m2
Although a specific embodiment of the invention is described in detail above in conjunction with the embodiments, need to refer to Out, the scope of protection of the present invention is not limited by these specific embodiments, but is determined by claims.This Field technical staff can carry out these embodiments in the range of not departing from technical idea and purport of the invention appropriate Change, and the embodiment after these changes is also included within protection scope of the present invention.

Claims (6)

1. a kind of Flexible toothbrush handle polypropylene material, which is characterized in that the component and weight hundred of the toothbrush handle polypropylene material Divide ratio are as follows: atactic copolymerized polypropene 50~90%, calcium carbonate 8~48%, Masterbatch 2%.
2. Flexible toothbrush handle polypropylene material according to claim 1, which is characterized in that the atactic copolymerized polypropene Melt index be 0.2~20.
3. Flexible toothbrush handle polypropylene material according to claim 1, which is characterized in that the calcium carbonate is lightweight carbon Sour calcium, diameter dimension is in 200~2000 mesh.
4. a kind of preparation method of Flexible toothbrush handle polypropylene material described in claim 1, which is characterized in that including following step It is rapid:
(1) atactic copolymerized polypropene, calcium carbonate and Masterbatch are put into and carries out 5~15 points of uniform stirring in super mixer Clock, the speed of super mixer are 500~1500 revs/min;
(2) above-mentioned gained mixture is put into injection molding machine, carries out injection molding, injection molding machine temperature takes at 180~230 DEG C Air-cooled 4~5 hours after out, the toothbrush handle polypropylene material is finally obtained.
5. the preparation method of Flexible toothbrush handle polypropylene material according to claim 4, which is characterized in that described is random The melt index of copolymer polypropylene is 0.2~20.
6. the preparation method of Flexible toothbrush handle polypropylene material according to claim 4, which is characterized in that the carbonic acid Calcium is precipitated calcium carbonate, and diameter dimension is in 200~2000 mesh.
CN201710906540.XA 2017-09-29 2017-09-29 A kind of Flexible toothbrush handle polypropylene material and preparation method thereof Pending CN109575445A (en)

Priority Applications (1)

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CN201710906540.XA CN109575445A (en) 2017-09-29 2017-09-29 A kind of Flexible toothbrush handle polypropylene material and preparation method thereof

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Application Number Priority Date Filing Date Title
CN201710906540.XA CN109575445A (en) 2017-09-29 2017-09-29 A kind of Flexible toothbrush handle polypropylene material and preparation method thereof

Publications (1)

Publication Number Publication Date
CN109575445A true CN109575445A (en) 2019-04-05

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102863671A (en) * 2012-08-03 2013-01-09 扬州辰逸旅游用品有限公司 Toothbrush handle and production method thereof
CN105086160A (en) * 2015-08-27 2015-11-25 武汉清源管业科技有限公司 Material special for toothbrush handle and preparation method thereof
CN106366455A (en) * 2016-08-26 2017-02-01 安徽永高塑业发展有限公司 Low-temperature and high-impact resistance polypropylene random material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102863671A (en) * 2012-08-03 2013-01-09 扬州辰逸旅游用品有限公司 Toothbrush handle and production method thereof
CN105086160A (en) * 2015-08-27 2015-11-25 武汉清源管业科技有限公司 Material special for toothbrush handle and preparation method thereof
CN106366455A (en) * 2016-08-26 2017-02-01 安徽永高塑业发展有限公司 Low-temperature and high-impact resistance polypropylene random material

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Application publication date: 20190405

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