CN103102590B - Modified reinforcing and toughening thin-wall suction pipe material and preparation method thereof - Google Patents

Modified reinforcing and toughening thin-wall suction pipe material and preparation method thereof Download PDF

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Publication number
CN103102590B
CN103102590B CN201310004565.2A CN201310004565A CN103102590B CN 103102590 B CN103102590 B CN 103102590B CN 201310004565 A CN201310004565 A CN 201310004565A CN 103102590 B CN103102590 B CN 103102590B
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Prior art keywords
suction pipe
polypropylene
wall
screw
hollow glass
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CN201310004565.2A
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CN103102590A (en
Inventor
李进
吴立丰
王仕杰
贺力
张鹏
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China Shipbuilding Heavy Industries (Nanjing) Molding Technology Co., Ltd.
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Nanjing Pengli Science & Technology Co Ltd
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/9259—Angular velocity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92885—Screw or gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

The invention relates to a modified reinforcing and toughening thin-wall suction pipe material which is composed of the following raw materials in parts by weight: 100 parts of polypropylene, 8-15 parts of hollow glass microspheres and 10-25 parts of elastomer. A preparation method comprises the following steps of: (I) mixing: uniformly mixing the polypropylene and the elastomer in a mixer to form a mixture; (II) extrusion: performing melt extrusion of the mixture through screw extrusion equipment, wherein the temperature in an area 1 of the extrusion equipment is 150-175 DEG C, the temperature in an area 2 is 155-180 DEG C, and the die temperature is 155-185 DEG C; and (III) filling: adding the hollow glass microspheres while extruding at the front end of a screw, wherein the rotation speed of the charging screw is 12-20rpm; and cooling to obtain the modified reinforcing and toughening thin-wall suction pipe material. Under the condition of the same wall thickness, the suction pipe provided by the invention has the advantage that the pipe wall has better rigidity, excellent tensile strength and elongation at break and good cracking resistance.

Description

Activeness and quietness thin-wall suction pipe material of a kind of modification and preparation method thereof
Technical field
The present invention relates to beverage and milk-product suction pipe manufactures tubing used, particularly relate to the technical field of a kind of activeness and quietness thin-wall suction pipe material of modification and preparation method thereof.
Background technology
Suction pipe is very general at routine use, usually need in use with suction pipe, beverage package stamp to be opened, because suction pipe wall is thinner, rigidity is inadequate, often there is the situation cannot breaking packing material, under normal circumstances, improve suction pipe rigidity by the method thickening suction pipe wall thickness, but suction pipe grammes per square metre can be caused bigger than normal, waste starting material.In addition, due to straw materials easily embrittlement at low temperatures, often cause at microthermal climate, when particularly using in colder place, cause suction pipe to ftracture, impact uses.
Summary of the invention
Main purpose of the present invention is under the prerequisite not changing suction pipe material wall thickness, increases the rigidity of suction pipe, and reduces the weight of suction pipe, improves the tensile strength of suction pipe material and elongation at break and good crack resistence ability simultaneously.Simultaneously; the invention provides a kind of preparation method of activeness and quietness thin-wall suction of modification; the method makes hollow glass micropearl effectively be dispersed in suction pipe; and make it have good enhancing ability; and proterctive equipment reduces wearing and tearing, and to ensure suction pipe quality and to guarantee the technique effect of the activeness and quietness tubing of modification.Technical scheme is:
An activeness and quietness thin-wall suction pipe material for modification, is made up of the raw material of following parts by weight: polypropylene 100 parts, hollow glass micropearl 8 ~ 15 parts, 10 ~ 25 parts, elastomerics.
Wherein, described polypropylene can be that homo-polypropylene, block copolymerization polypropylene, atactic copolymerized polypropene are wherein a kind of.
Described hollow glass micropearl density is preferably less than and equals 0.60g/cm 3, resistant to breakage pressure is preferably more than or equal to 10000psi, and median size is preferably less than or equal to 30 microns, can adopt S60, S60HS or IM30K of 3M company.
Described elastomerics is thermoplastic elastomer, can adopt ethylene-octene copolymer, the ENGAGE 8150 of such as the Dow Chemical Company or VERSIFY-3401 polyolefin elastomer; Also propylene-based elastomeric can be adopted, such as: XOM Vistamaxx 6202.
Preparation method is:
The first step: batch mixing, puts into mixer mix polypropylene, elastomerics, forms compound;
Second step: extrude, is melt extruded compound by screw extruder, and extrusion equipment 1 district temperature is 150 ~ 175 DEG C, and 2 district's temperature are 155 ~ 180 DEG C, die temperature 155 ~ 185 DEG C;
3rd step: filler: at screw front end, extrudes while add hollow glass micropearl, and feed-screw rotating speed 12 ~ 20 revs/min obtains the activeness and quietness thin-wall suction pipe material of modification after cooling.
As preferably, between the described the first step and second step, described compound can also be carried out drying.Drying temperature preferably controls at 50 ~ 65 DEG C, and time of drying preferably controlled at 20 ~ 40 minutes.
In the first step, the rotating speed of mixer is preferably at 30 ~ 35 revs/min, and the time of mixing preferably controlled at 3 ~ 5 minutes.
beneficial effect
Technical scheme provided by the invention has following technique effect: the tube wall 1, made owing to adding glass microballon forms micro-hollow, enhances the rigidity of tube wall, and under the condition of equal wall thickness, tube wall rigidity is better.2, because elastomerics has excellent toughening functions, it is very good to be combined with polypropylene.Tensile strength can be waited until, elongation at break.And show good crack resistence ability.
Modification tubing provided by the invention is relative to traditional acrylic plastering tubing, and compressive resistance can reach 1.3 more than kgf, and elongation at break can reach more than 80%, there will not be the phenomenon of cracking, be better than polypropylene pipe at-40 DEG C.
Embodiment
embodiment 1
The first step: batch mixing, polypropylene 100 kg, elastomerics 10 kg put into mixer and mix, and control the rotating speed 30 revs/min of mixing machine and 3 minutes time well, and form compound, the compound obtained mixes;
Second step: dry, is transported in drying machine by compound by transfer roller, and control drying temperature 55 DEG C, time of drying 20, min, formed labor and materials to be added.
3rd step: extrude: labor and materials to be added are melt extruded by screw extruder, setting Heating temperature, 1 170 DEG C, district, 2 170 DEG C, districts, die temperature 175 DEG C.
4th step: filler: will, at screw front end, extrude while add hollow glass micropearl (total amount is 8 kg), setting feed-screw rotating speed 15 revs/min.The activeness and quietness thin-wall pipes of modification is obtained after cooling.
In the present embodiment, elastomerics adopts ENGAGE 8150 polyolefin elastomer of the Dow Chemical Company; Polypropylene adopts and prolongs refining T30S; Hollow glass micropearl adopts the S60 of 3M company, and its density is 0.60g/cm 3, resistant to breakage pressure is 10000psi, and median size is 30 microns.
embodiment 2
The first step: batch mixing, polypropylene 100 kg, elastomerics 15 kg put into mixer and mix, and control the rotating speed 28 revs/min of mixing machine and 5 minutes time well, and form compound, the compound obtained mixes;
Second step: dry, is transported in drying machine by compound by transfer roller, and control drying temperature 50 DEG C, time of drying 30, min, formed labor and materials to be added.
3rd step: extrude: labor and materials to be added are melt extruded by screw extruder, setting Heating temperature, 1 150 DEG C, district, 2 155 degree, districts, die temperature 155 DEG C.
4th step: filler: will, at screw front end, extrude while add hollow glass micropearl (total amount is 15 kg), setting feed-screw rotating speed 12 revs/min.The activeness and quietness thin-wall pipes of modification is obtained after cooling.
In the present embodiment, elastomerics adopts ENGAGE 8150 polyolefin elastomer of the Dow Chemical Company; Polypropylene adopts and prolongs refining T30S; Hollow glass micropearl adopts the S60 of 3M company, and its density is 0.60g/cm 3, resistant to breakage pressure is 10000psi, and median size is 30 microns.
embodiment 3
The first step: batch mixing, polypropylene 100 kg, elastomerics 25 kg put into mixer and mix, and control the rotating speed 35 revs/min of mixing machine and 4 minutes time well, and form compound, the compound obtained mixes;
Second step: dry, is transported in drying machine by compound by transfer roller, and control drying temperature 65 DEG C, time of drying 40, min, formed labor and materials to be added.
3rd step: extrude: labor and materials to be added are melt extruded by screw extruder, setting Heating temperature, 1 175 DEG C, district, 2 180 DEG C, districts, die temperature 185 DEG C.
4th step: filler: will, at screw front end, extrude while add hollow glass micropearl (total amount is 10 kg), setting feed-screw rotating speed 20 revs/min.The activeness and quietness thin-wall pipes of modification is obtained after cooling.
In the present embodiment, elastomerics adopts ENGAGE 8150 polyolefin elastomer of the Dow Chemical Company; Polypropylene adopts and prolongs refining T30S; Hollow glass micropearl adopts the S60 of 3M company, and its density is 0.60g/cm 3, resistant to breakage pressure is 10000psi, and median size is 30 microns.
embodiment 4
The first step: batch mixing, polypropylene 100 kg, elastomerics 25 kg put into mixer and mix, and control the rotating speed 32 revs/min of mixing machine and 3 minutes time well, and form compound, the compound obtained mixes;
Second step: dry, is transported in drying machine by compound by transfer roller, and control drying temperature 60 DEG C, time of drying 20, min, formed labor and materials to be added.
3rd step: extrude: labor and materials to be added are melt extruded by screw extruder, setting Heating temperature, 1 165 DEG C, district, 2 170 DEG C, districts, die temperature 175 DEG C.
4th step: filler: will, at screw front end, extrude while add hollow glass micropearl (total amount is 11 kg), setting feed-screw rotating speed 14 revs/min.The activeness and quietness thin-wall pipes of modification is obtained after cooling.
In the present embodiment, elastomerics adopts the VERSIFY-3401 polyolefin elastomer of the Dow Chemical Company of the Dow Chemical Company; Polypropylene adopts the J340 block copolymerization polypropylene of Guangzhou petrochemical industry; Hollow glass micropearl adopts the S60HS of 3M company, and its density is 0.60g/cm 3, resistant to breakage pressure is 18000psi, and median size is 30 microns.
embodiment 5
The first step: batch mixing, polypropylene 100 kg, elastomerics 25 kg put into mixer and mix, and control the rotating speed 35 revs/min of mixing machine and 4 minutes time well, and form compound, the compound obtained mixes;
Second step: dry, is transported in drying machine by compound by transfer roller, and control drying temperature 65 DEG C, time of drying 40, min, formed labor and materials to be added.
3rd step: extrude: labor and materials to be added are melt extruded by screw extruder, setting Heating temperature, 1 165 DEG C, district, 2 160 DEG C, districts, die temperature 180 DEG C.
4th step: filler: will, at screw front end, extrude while add hollow glass micropearl (total amount is 12 kg), setting feed-screw rotating speed 20 revs/min.The activeness and quietness thin-wall pipes of modification is obtained after cooling.
In the present embodiment, elastomerics adopts XOM Vistamaxx 6202 propylene-based elastomeric of the Dow Chemical Company; Polypropylene adopts the QLPPR atactic copolymerized polypropene of Shandong petrochemical complex limited-liability company; Hollow glass micropearl adopts the Im30K of 3M company, and its density is 0.60g/cm 3, resistant to breakage pressure is 28000psi, and median size is 30 microns.
reference examples
The first step: polypropylene 100 parts by weight, dry, be transported in drying machine by compound by transfer roller, control drying temperature 65 DEG C, time of drying 20, min, formed labor and materials to be added.
Second step: extrude: material is melt extruded by screw extruder, setting Heating temperature, 1 175 DEG C, district, 2 180 DEG C, districts, die temperature 185 DEG C.Thin-wall pipes is obtained, in contrast example after cooling.
performance test
The performance test data of the tubing of embodiment 1 ~ embodiment 5 gained are in table 1.
The performance test results of table 1 embodiment 1 ~ embodiment 5 and reference examples
Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4 Embodiment 5 Reference examples
Wall thickness 0.1mm, the compressive resistance of single suction pipe 1.6kgf 1.3kgf 2.1kgf 1.4 kgf 1.5 kgf 0.5kgf
Elongation at break (%) 85.0 80.5 91.5 85.0% 82.0% 12
-40 DEG C of cracking situations Do not ftracture Do not ftracture Do not ftracture Do not ftracture Do not ftracture Cracking
Testing data can be found out, modification tubing provided by the invention is relative to traditional acrylic plastering tubing, and compressive resistance can reach 1.3 more than kgf, and elongation at break can reach more than 80%, at-40 DEG C, there will not be the phenomenon of cracking, be better than polypropylene pipe.

Claims (1)

1. a preparation method for the activeness and quietness thin-wall suction pipe material of modification, is characterized in that, comprise the steps:
The first step: polypropylene 100 kg, elastomerics 25 kg put into mixer and mix, and control the rotating speed 35 revs/min of mixing machine and 4 minutes time well, form compound, the compound obtained mixes;
Second step: compound is transported in drying machine by transfer roller, control drying temperature 65 DEG C, time of drying 40, min, formed labor and materials to be added;
3rd step: labor and materials to be added are melt extruded by screw extruder, setting Heating temperature, 1 175 DEG C, district, 2 180 DEG C, districts, die temperature 185 DEG C;
4th step: will, at screw front end, extrude while add hollow glass micropearl 10 kg, setting feed-screw rotating speed 20 revs/min; The activeness and quietness thin-wall pipes of modification is obtained after cooling;
Described elastomerics is ENGAGE 8150 polyolefin elastomer of the Dow Chemical Company; Polypropylene prolongs refining T30S; Hollow glass micropearl is the S60 of 3M company, and its density is 0.60g/cm 3, resistant to breakage pressure is 10000psi, and median size is 30 microns;
Described suction pipe, its wall thickness is 0.1mm.
CN201310004565.2A 2013-01-07 2013-01-07 Modified reinforcing and toughening thin-wall suction pipe material and preparation method thereof Active CN103102590B (en)

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Application Number Priority Date Filing Date Title
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CN103102590B true CN103102590B (en) 2015-04-29

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103724818B (en) * 2013-12-27 2015-12-09 广东天安新材料股份有限公司 A kind of polypropylene screen and uses thereof
CN105713297A (en) * 2016-04-18 2016-06-29 福建师范大学 Method for preparing pipe by acrylic acid grafted ethylene-octene segmented copolymer modified polypropylene
CN106273021A (en) * 2016-08-12 2017-01-04 北京汽车集团有限公司 The preparation method of a kind of hollow core and hollow core and preparing the purposes of automobile structure
JP2018030954A (en) * 2016-08-25 2018-03-01 パナソニックＩｐマネジメント株式会社 Polyolefin resin composition, polyolefin resin molded body using the same, and cleaner using the same
CN106633370A (en) * 2016-09-21 2017-05-10 南宁市日建塑料包装有限责任公司 Colorized beverage straw production process
CN111154176A (en) * 2018-11-08 2020-05-15 内蒙古伊利实业集团股份有限公司 Food contact composition and food contact product

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CN201870359U (en) * 2010-08-23 2011-06-22 张家港市启华塑业有限公司 Bendable telescopic fork suction tube
CN102492221A (en) * 2011-12-04 2012-06-13 上海金发科技发展有限公司 Low-density polypropylene compound filled with hollow glass beads and preparation method thereof
CN102532665A (en) * 2012-01-05 2012-07-04 常熟科盈复合材料有限公司 Modified strengthened and toughened polyethylene solid-wall pipe and preparation method thereof

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Owner name: CSIC PRIDE (NANJING) PLASTIC TECHNOLOGY CO., LTD.

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