CN107962760A - A kind of processing technology of two-layer compound blow molded bottle - Google Patents

A kind of processing technology of two-layer compound blow molded bottle Download PDF

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Publication number
CN107962760A
CN107962760A CN201711443789.8A CN201711443789A CN107962760A CN 107962760 A CN107962760 A CN 107962760A CN 201711443789 A CN201711443789 A CN 201711443789A CN 107962760 A CN107962760 A CN 107962760A
Authority
CN
China
Prior art keywords
blow molded
tpr
bottle
layer
melts
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
CN201711443789.8A
Other languages
Chinese (zh)
Inventor
杨从申
罗保良
李振良
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.)
CHANGSHU SHINE PLASTIC INDUSTRY Co Ltd
Original Assignee
CHANGSHU SHINE PLASTIC INDUSTRY 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 CHANGSHU SHINE PLASTIC INDUSTRY Co Ltd filed Critical CHANGSHU SHINE PLASTIC INDUSTRY Co Ltd
Priority to CN201711443789.8A priority Critical patent/CN107962760A/en
Publication of CN107962760A publication Critical patent/CN107962760A/en
Pending legal-status Critical Current

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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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/04—Extrusion blow-moulding
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/22—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor using multilayered preforms or parisons
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/78—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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/78—Measuring, controlling or regulating
    • B29C49/786—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/04—Extrusion blow-moulding
    • B29C49/04108—Extrusion blow-moulding extruding several parisons parallel to each other at the same time
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7158—Bottles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric

Abstract

The invention discloses a kind of processing technology of two-layer compound blow molded bottle, including：Bottle body is blow molded, the blowing bottle body includes：Outer layer TPR material layers, internal layer PE material layers, the blowing bottle body are process using twin-screw extrusion blowing technology.By the above-mentioned means, present invention process is simple and easy to control, product qualified rate is high；It is respectively that TPR materials, PP material extrusion plasticizings is compound using twin-screw, formed with the blowing bottle embryo that outer layer is TPR, internal layer is PE, bottle embryo is obtained into the blow molded bottle of two-layer composite through blowing, stretching again, obtained blow molded bottle has the excellent properties of TPR products, and cost is low.

Description

A kind of processing technology of two-layer compound blow molded bottle
Technical field
The present invention relates to blow molded bottle processing technique field, more particularly to a kind of processing technology of two-layer compound blow molded bottle.
Background technology
Blow molded bottle is mostly what homogenous material was prepared at present, and general material has PE materials and TPR materials, obtained TPR The performance comparison of blow molded bottle and PE blow molded bottles is as follows：1st, TPR products have good pliability and comfortable sense of touch；PE product bases This does not have flexibility；2nd, TPR products have high resilience, and PE products do not have resilience then；3rd, TPR can reach atomized surface effect, PE is then bright face effect.Therefore the comprehensive performance of TPR products is better than PE products, and the market demand is big.But TPR materials are common PEs More than 2 times of the price of material are even up to 3 times, cause raw material use cost high, improve production cost.
The content of the invention
The invention mainly solves the technical problem of providing a kind of processing technology of two-layer compound blow molded bottle, using TPR, PE Materials double-layer Compound Machining forms, and has the excellent properties of TPR products, and reduce the use cost of raw material.
In order to solve the above technical problems, one aspect of the present invention is：A kind of two-layer compound blow molded bottle is provided Processing technology, including：Bottle body is blow molded, the blowing bottle body includes：Outer layer TPR material layers, internal layer PE material layers, it is described Blowing bottle body is process using twin-screw extrusion blowing technology, is included the following steps：
（1）Raw material melts：TPR materials are added to heating melting in A barrels respectively and obtain TPR melts, PE materials are added to Heating melting obtains PE melts in B barrels；
（2）Twin-screw extrusion is molded：Step（1）Obtained TPR melts through A screw compressions, compacting, PE melts through B screw compressions, Compacting, and by the rotating speed of frequency converter adjusting A, B screw rod, TPR melts, PE melts is passed through A, B twin-screw extrusion, then is answered through die head Conjunction forms internal layer, the bottle embryo body that outer layer is bonded together；
（3）Two-layer compound blow molded bottle is molded：By step（2）Bottle embryo body is made to be put into mould, is made double-deck multiple through blowing, stretching Close blow molded bottle.
In a preferred embodiment of the present invention, the quality proportioning of the outer layer TPR material layers and internal layer PE material layers is 3 ~5:5~7。
In a preferred embodiment of the present invention, the heating melting temperature of TPR materials is 180-190 DEG C in the A barrels.
In a preferred embodiment of the present invention, the heating melting temperature of PE materials is 165-175 DEG C in the B barrels.
In a preferred embodiment of the present invention, the rotating speed of the A screw rods is 45-50 r/min.
In a preferred embodiment of the present invention, the rotating speed of the B screw rods is 55-60r/min.
The beneficial effects of the invention are as follows：Present invention process is simple and easy to control, and product qualified rate is high；Respectively will using twin-screw TPR materials, PP material extrusion plasticizings are compound, are formed with the blowing bottle embryo that outer layer is TPR, internal layer is PE, then by bottle embryo through blowing Gas, stretching obtain the blow molded bottle of two-layer composite, and obtained blow molded bottle has the excellent properties of TPR products, and cost is low.
Embodiment
Presently preferred embodiments of the present invention is described in detail below, so that advantages and features of the invention can be easier to by ability Field technique personnel understanding, so as to make a clearer definition of the protection scope of the present invention.
The embodiment of the present invention includes：
A kind of processing technology of two-layer compound blow molded bottle, including：Bottle body is blow molded, the blowing bottle body includes：Outer layer TPR materials The bed of material, internal layer PE material layers, the blowing bottle body are process using twin-screw extrusion blowing technology.
Embodiment one
In the present embodiment, the processing technology of the two-layer compound blow molded bottle, includes the following steps：
（1）Raw material melts：TPR materials are added in A barrels, is melted under 180 DEG C of high temperature and obtains TPR melts, by PE materials It is added in B barrels, is melted under 165 DEG C of high temperature and obtain PE melts；
（2）Twin-screw extrusion is molded：Step（1）Obtained TPR melts through A screw compressions, compacting, PE melts through B screw compressions, Compacting, and be 45r/min by the rotating speed of frequency converter adjusting A screw rods, the rotating speed for adjusting B screw rods is 55r/min, and TPR melts, PE melt Body passes through A, B twin-screw extrusion respectively, then through die head is compounded to form TPR outer layers, PE internal layers are bonded together bottle embryo body；
（3）Two-layer compound blow molded bottle is molded：By step（2）Bottle embryo body is made to be put into mould, is made double-deck multiple through blowing, stretching Close blow molded bottle.
Wherein, the quality proportioning of the outer layer TPR material layers and internal layer PE material layers is 5:5.
Embodiment two
In the present embodiment, the processing technology of the two-layer compound blow molded bottle, includes the following steps：
（1）Raw material melts：TPR materials are added in A barrels, is melted under 185 DEG C of high temperature and obtains TPR melts, by PE materials It is added in B barrels, is melted under 170 DEG C of high temperature and obtain PE melts；
（2）Twin-screw extrusion is molded：Step（1）Obtained TPR melts through A screw compressions, compacting, PE melts through B screw compressions, Compacting, and be 48r/min by the rotating speed of frequency converter adjusting A screw rods, the rotating speed for adjusting B screw rods is 57r/min, and TPR melts, PE melt Body passes through A, B twin-screw extrusion respectively, then through die head is compounded to form TPR outer layers, PE internal layers are bonded together bottle embryo body；
（3）Two-layer compound blow molded bottle is molded：By step（2）Bottle embryo body is made to be put into mould, is made double-deck multiple through blowing, stretching Close blow molded bottle.
Wherein, the quality proportioning of the outer layer TPR material layers and internal layer PE material layers is 4:6.
Embodiment three
In the present embodiment, the processing technology of the two-layer compound blow molded bottle, includes the following steps：
（1）Raw material melts：TPR materials are added in A barrels, is melted under 190 DEG C of high temperature and obtains TPR melts, by PE materials It is added in B barrels, is melted under 175 DEG C of high temperature and obtain PE melts；
（2）Twin-screw extrusion is molded：Step（1）Obtained TPR melts through A screw compressions, compacting, PE melts through B screw compressions, Compacting, and be 50r/min by the rotating speed of frequency converter adjusting A screw rods, the rotating speed for adjusting B screw rods is 60r/min, and TPR melts, PE melt Body passes through A, B twin-screw extrusion respectively, then through die head is compounded to form TPR outer layers, PE internal layers are bonded together bottle embryo body；
（3）Two-layer compound blow molded bottle is molded：By step（2）Bottle embryo body is made to be put into mould, is made double-deck multiple through blowing, stretching Close blow molded bottle.
Wherein, the quality proportioning of the outer layer TPR material layers and internal layer PE material layers is 3:7.
Present invention is disclosed a kind of processing technology of two-layer compound blow molded bottle, technique is simple and easy to control, and product qualified rate is high；Adopt It is respectively that TPR materials, PP material extrusion plasticizings is compound with twin-screw, formed with the blow molded bottle that outer layer is TPR, internal layer is PE Embryo, then bottle embryo is obtained into the blow molded bottle of two-layer composite through blowing, stretching, obtained blow molded bottle has the excellent of TPR products Performance, and cost is low.
The foregoing is merely the embodiment of the present invention, is not intended to limit the scope of the invention, every to utilize this hair The equivalent structure or equivalent flow shift that bright description is made, is directly or indirectly used in other relevant technology necks Domain, is included within the scope of the present invention.

Claims (6)

  1. A kind of 1. processing technology of two-layer compound blow molded bottle, it is characterised in that including：It is blow molded bottle body, the blowing bottle body Including：Outer layer TPR material layers, internal layer PE material layers, it is described blowing bottle body be using twin-screw extrusion blowing technology processing and Into, include the following steps：
    （1）Raw material melts：TPR materials are added to heating melting in A barrels respectively and obtain TPR melts, PE materials are added to Heating melting obtains PE melts in B barrels；
    （2）Twin-screw extrusion is molded：Step（1）Obtained TPR melts through A screw compressions, compacting, PE melts through B screw compressions, Compacting, and by the rotating speed of frequency converter adjusting A, B screw rod, TPR melts, PE melts is passed through A, B twin-screw extrusion, then is answered through die head Conjunction forms internal layer, the bottle embryo body that outer layer is bonded together；
    （3）Two-layer compound blow molded bottle is molded：By step（2）Bottle embryo body is made to be put into mould, is made double-deck multiple through blowing, stretching Close blow molded bottle.
  2. 2. the processing technology of two-layer compound blow molded bottle according to claim 1, it is characterised in that the outer layer TPR materials The quality proportioning of layer and internal layer PE material layers is 3 ~ 5:5~7.
  3. 3. the processing technology of two-layer compound blow molded bottle according to claim 1, it is characterised in that TPR materials in the A barrels The heating melting temperature of material is 180-190 DEG C.
  4. 4. the processing technology of two-layer compound blow molded bottle according to claim 1, it is characterised in that PE materials in the B barrels The heating melting temperature of material is 165-175 DEG C.
  5. 5. the processing technology of two-layer compound blow molded bottle according to claim 1, it is characterised in that the rotating speed of the A screw rods For 45-50 r/min.
  6. 6. the processing technology of two-layer compound blow molded bottle according to claim 1, it is characterised in that the rotating speed of the B screw rods For 55-60r/min.
CN201711443789.8A 2017-12-27 2017-12-27 A kind of processing technology of two-layer compound blow molded bottle Pending CN107962760A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711443789.8A CN107962760A (en) 2017-12-27 2017-12-27 A kind of processing technology of two-layer compound blow molded bottle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711443789.8A CN107962760A (en) 2017-12-27 2017-12-27 A kind of processing technology of two-layer compound blow molded bottle

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111453121A (en) * 2020-04-10 2020-07-28 苏州通成化妆品包装有限公司 Double-layer composite PETG bottle and production process
CN112677449A (en) * 2020-12-28 2021-04-20 常熟市沈氏塑业有限公司 Degradable double-layer plastic bottle and blow molding method thereof
CN113459475A (en) * 2021-07-02 2021-10-01 佛山市三水兆丰和塑料制品有限公司 Blow molding process for heating bottle with insert

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101172525A (en) * 2006-11-01 2008-05-07 徐跃 High-performance double-layer polyester bottle
CN100500522C (en) * 2005-03-03 2009-06-17 徐跃 High-barrier double-wall plastic bottle and method for manufacturing same
CN102963581A (en) * 2012-11-22 2013-03-13 中山环亚塑料包装有限公司 Highlight double-layered composite bottle and manufacturing process thereof
CN105128410A (en) * 2015-08-31 2015-12-09 广州丽盈塑料有限公司 High-glossiness PP double-layer extrusion blown bottle, preparing method thereof and application thereof
CN106240102A (en) * 2016-07-29 2016-12-21 浙江翔鹏塑业股份有限公司 A kind of five-layer co-squeezing inflation film and preparation technology thereof and application

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100500522C (en) * 2005-03-03 2009-06-17 徐跃 High-barrier double-wall plastic bottle and method for manufacturing same
CN101172525A (en) * 2006-11-01 2008-05-07 徐跃 High-performance double-layer polyester bottle
CN102963581A (en) * 2012-11-22 2013-03-13 中山环亚塑料包装有限公司 Highlight double-layered composite bottle and manufacturing process thereof
CN105128410A (en) * 2015-08-31 2015-12-09 广州丽盈塑料有限公司 High-glossiness PP double-layer extrusion blown bottle, preparing method thereof and application thereof
CN106240102A (en) * 2016-07-29 2016-12-21 浙江翔鹏塑业股份有限公司 A kind of five-layer co-squeezing inflation film and preparation technology thereof and application

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111453121A (en) * 2020-04-10 2020-07-28 苏州通成化妆品包装有限公司 Double-layer composite PETG bottle and production process
CN112677449A (en) * 2020-12-28 2021-04-20 常熟市沈氏塑业有限公司 Degradable double-layer plastic bottle and blow molding method thereof
CN113459475A (en) * 2021-07-02 2021-10-01 佛山市三水兆丰和塑料制品有限公司 Blow molding process for heating bottle with insert

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