CN109503932A - A kind of multi-layer co-extruded mold cleaning material - Google Patents

A kind of multi-layer co-extruded mold cleaning material Download PDF

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Publication number
CN109503932A
CN109503932A CN201811392637.4A CN201811392637A CN109503932A CN 109503932 A CN109503932 A CN 109503932A CN 201811392637 A CN201811392637 A CN 201811392637A CN 109503932 A CN109503932 A CN 109503932A
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CN
China
Prior art keywords
layer
cleaning material
mold cleaning
extruded mold
polyolefin resin
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
CN201811392637.4A
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Chinese (zh)
Inventor
焦逸清
许君尉
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.)
JIANGYIN SUNRISE PACKAGING MATERIAL CO Ltd
Original Assignee
JIANGYIN SUNRISE PACKAGING MATERIAL CO Ltd
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Publication date
Application filed by JIANGYIN SUNRISE PACKAGING MATERIAL CO Ltd filed Critical JIANGYIN SUNRISE PACKAGING MATERIAL CO Ltd
Priority to CN201811392637.4A priority Critical patent/CN109503932A/en
Publication of CN109503932A publication Critical patent/CN109503932A/en
Pending legal-status Critical Current

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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
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • 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
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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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)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The invention discloses a kind of multi-layer co-extruded mold cleaning materials, are made of the component of following mass percentage: polyolefin resin is 90.0-99.5% as carrier, the mass percent of carrier；At least one of polyetheramine, polyisobutylene amine, polysuccinimide is selected to be used as detergent, the mass percent of detergent is 0.5-10%.The polyolefin resin is linear low density polyethylene.Multi-layer co-extruded mold cleaning material of the invention can improve existing mold cleaning material and be easy to damage mold and the problem bad to coking and carbonization cleaning effect, there is good effect in terms of cleaning coking and carbonization, it also has certain effect to the maintenance of mold simultaneously, mold cleaning and maintenance are carried out using the multi-layer co-extruded mold cleaning material, the time of mold dismantling cleaning can be made to extend 20-50%.

Description

A kind of multi-layer co-extruded mold cleaning material
Technical field
The invention belongs to mold cleaning material technical fields, specifically, it is clear to be related to a kind of novel multi-layer co-extruded mold Clean material.
Background technique
The cleaning of multi-layer co-extruded mold is always industry difficult point, and mold clean-up performance can not enough bring various production problems, Such as various problem of appearance of stain, crystal point, lines.Existing multi-layer co-extruded mold cleaning, typically uses high viscosity/extrusion The material over time variable speed of pressure rinses, or is expected using proprietary cleaning to be cleaned.The principle of proprietary cleaning material are as follows: use Very highly viscous resin carrier, the material comprising abrasiveness, foaming or non-foamed usage mode, by material shearing force with Grinding agent cleans mold, generally require it is very long use the time, while can to mold, especially coated mold Certain damage is generated, while cleaning material being removed from mold after cleaning finishes and is also required to long time.It is this Mode is more effective to general gel, but the effect is relatively poor with carbonization to the coking in mold.
Therefore, it is badly in need of a kind of pair of good cleaning material of PP TYPE tool cleaning effect.
Summary of the invention
The first purpose of the invention is to provide a kind of multi-layer co-extruded mold cleaning materials.
A second object of the present invention is to provide a kind of preparation methods of multi-layer co-extruded mold cleaning material.
To achieve the goals above, The technical solution adopted by the invention is as follows:
The first aspect of the invention provides a kind of multi-layer co-extruded mold cleaning material, is by following mass percentage Component be made:
Polyolefin resin is 90.0-99.5% as carrier, the mass percent of carrier；Select polyetheramine, polyisobutene At least one of amine, polysuccinimide are used as detergent, and the mass percent of detergent is 0.5-10%.
The polyolefin resin is linear low density polyethylene (LLDPE), and melt index (MI) is between 0.3-50, preferably It is 4.0, density 0.923g/cm3, the trade mark purchased from petrochemical industry Co., Ltd, Qatar is the polyolefin resin of FD0470.
The molecular weight of the polyetheramine is 1004, and molecular formula is (C3H6O)nC6H16N2O, n are 1~20, are purchased from Hensel gracefulization Work Co., Ltd, model: FL1000.
The molecular weight of the polyisobutylene amine is 1300, viscosity 645Pa.s, model: PB1300, real purchased from South Korea great Lin Industry Co., Ltd.
The polysuccinimide is T155 polyisobutylene-bis-succinimide, purchased from the limited public affairs of the holy big chemicals in Jinzhou Department, kinematic viscosity (100 DEG C): 280-380mm2/ s, total base number (in terms of KOH): 15-25mg/g, flash-point (opening): > 180 DEG C, Density (20 DEG C): 890-930g/mm3, coloration (dilution): 4.0, moisture: < 0.1%.
The second aspect of the invention provides a kind of preparation method of multi-layer co-extruded mold cleaning material, including with Lower step:
According to the proportion, using the production method of auxiliary material bucket weighing mixing granulation, polyolefin resin carrier and clear is weighed Clean dose, using dual-screw pelletizer extruding pelletization, obtain the multi-layer co-extruded mold cleaning material.
The dual-screw pelletizer screw diameter be 50mm, draw ratio 20:1, screw rod be incorgruous steering, extrusion temperature according to Secondary is 150 DEG C, 170 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C.
Due to the adoption of the above technical scheme, the present invention has the following advantages and beneficial effects:
Multi-layer co-extruded mold cleaning material of the invention can improve existing mold cleaning material and be easy to damage mold and right Coking and the bad problem of cleaning effect that is carbonized, have good effect, while to mold in terms of cleaning coking and carbonization Maintenance also has certain effect, and carries out mold cleaning and maintenance using the multi-layer co-extruded mold cleaning material, can make The time of mold dismantling cleaning extends 20-50%.
Specific embodiment
In order to illustrate more clearly of the present invention, below with reference to preferred embodiment, the present invention is described further.Ability Field technique personnel should be appreciated that following specifically described content is illustrative and be not restrictive, this should not be limited with this The protection scope of invention.
Embodiment 1
A kind of multi-layer co-extruded mold cleaning material is by the component system of following mass percentage (proportion is as shown in table 1) At:
Polyolefin resin selects the conduct of at least one of polyetheramine, polyisobutylene amine, polysuccinimide as carrier Detergent；The polyolefin resin is linear low density polyethylene (LLDPE), and melt index (MI) is between 0.3-50, preferably It is 4.0, density 0.923g/cm3, the trade mark purchased from petrochemical industry Co., Ltd, Qatar is the polyolefin resin of FD0470； The molecular weight of the polyetheramine is 1004, and molecular formula is (C3H6O)nC6H16N2O, n are 1~20, are purchased from the limited public affairs of the graceful chemical industry of Hensel Department, model: FL1000；The molecular weight of the polyisobutylene amine is 1300, viscosity 645Pa.s, model, and: PB1300 is purchased from Korea Spro Guo great woods Industrial Co., Ltd.；The polysuccinimide is T155 polyisobutylene-bis-succinimide, purchased from holy bigization in Jinzhou Xue Pin Co., Ltd, kinematic viscosity (100 DEG C): 280-380mm2/ s, total base number (in terms of KOH): 15-25mg/g, flash-point (are opened Mouthful): > 180 DEG C, density (20 DEG C): 890-930g/mm3, coloration (dilution): 4.0, moisture: < 0.1%.
A kind of preparation method of multi-layer co-extruded mold cleaning material, comprising the following steps:
According to the proportion, using the production method of auxiliary material bucket weighing mixing granulation, polyolefin resin carrier and clear is weighed Clean dose, using dual-screw pelletizer extruding pelletization, the multi-layer co-extruded mold cleaning material is obtained, dual-screw pelletizer screw rod is straight Diameter is 50mm, draw ratio 20:1, and screw rod is incorgruous steering, extrusion temperature be followed successively by 150 DEG C, 170 DEG C, 200 DEG C, 200 DEG C, 200℃、200℃。
Embodiment 2~20
Raw material proportioning is as shown in table 1, and the preparation method is the same as that of Example 1.
Comparative example 1
Polyolefin resin is linear low density polyethylene (LLDPE), and melt index (MI) is 4.0, is purchased from Qatar's petroleum The trade mark of Chemical Co., Ltd. is the polyolefin resin of FD0470.
The proportion of Examples 1 to 20 and comparative example 1 is as shown in table 1, is mass percentage in table 1, of the invention is more When layer co-extruding mould cleaning material is used for the cleaning of film blowing device, by the way of primary at interval of a cleaning in month, when cleaning It was one bout every 10 minutes, cleaning three bouts terminates using variable speed " DISCO " cleaning way；Disassemble the survey in period Examination: dismantling condition is to have obvious intermittent stain, stiff block etc. in finished films to influence the flaw of appearance, and can not pass through flushing The modes such as machine are eliminated, and need to unpick and wash equipment at this time, and the data for disassembling the period are as shown in table 1, from table 1 it follows that this hair The dismantling period of bright multi-layer co-extruded mold cleaning material is 7~15 months, and comparative example 1 is 6 months, it can be seen that, this The product effect of invention is very good, carries out mold cleaning and maintenance using the multi-layer co-extruded mold cleaning material, can make mold The time of dismantling cleaning extends 20-50%.
Table 1
The above is only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form, though So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this patent Member without departing from the scope of the present invention, when the technology contents using above-mentioned prompt make it is a little change or be modified to The equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, it is right according to the technical essence of the invention Any simple modification, equivalent change and modification made by above embodiments, in the range of still falling within the present invention program.

Claims (8)

1. a kind of multi-layer co-extruded mold cleaning material, it is characterised in that: be made of the component of following mass percentage:
Polyolefin resin is 90.0-99.5% as carrier, the mass percent of carrier；It selects polyetheramine, polyisobutylene amine, gather At least one of succimide is used as detergent, and the mass percent of detergent is 0.5-10%.
2. multi-layer co-extruded mold cleaning material according to claim 1, it is characterised in that: the polyolefin resin is linear Low density polyethylene (LDPE), melt index is between 0.3-50, density 0.923g/cm3。
3. multi-layer co-extruded mold cleaning material according to claim 2, it is characterised in that: the melting of the polyolefin resin Index is 4.0.
4. multi-layer co-extruded mold cleaning material according to claim 1, it is characterised in that: the molecular weight of the polyetheramine is 1004, molecular formula is (C3H6O)nC6H16N2O, n are 1~20.
5. multi-layer co-extruded mold cleaning material according to claim 1, it is characterised in that: the molecule of the polyisobutylene amine Amount is 1300, viscosity 645Pa.s.
6. multi-layer co-extruded mold cleaning material according to claim 1, it is characterised in that: the polysuccinimide is T155 polyisobutylene-bis-succinimide, kinematic viscosity: 280-380mm2/ s, total base number: 15-25mg/g, flash-point: > 180 DEG C, Density: 890-930g/mm3, coloration: 4.0, moisture: < 0.1%.
7. a kind of preparation method of multi-layer co-extruded mold cleaning material as claimed in any one of claims 1 to 6, it is characterised in that: The following steps are included:
Polyolefin resin carrier and detergent are weighed using the production method of auxiliary material bucket weighing mixing granulation according to the proportion, Using dual-screw pelletizer extruding pelletization, the multi-layer co-extruded mold cleaning material is obtained.
8. the preparation method of multi-layer co-extruded mold cleaning material according to claim 7, it is characterised in that: the twin-screw Pelletizer screw diameter be 50mm, draw ratio 20:1, screw rod be incorgruous steering, extrusion temperature be followed successively by 150 DEG C, 170 DEG C, 200℃、200℃、200℃、200℃。
CN201811392637.4A 2018-11-21 2018-11-21 A kind of multi-layer co-extruded mold cleaning material Pending CN109503932A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112126149A (en) * 2020-10-10 2020-12-25 江阴升辉包装材料有限公司 Die flushing material for extrusion processing and preparation method thereof

Citations (8)

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Publication number Priority date Publication date Assignee Title
JPH1192787A (en) * 1997-09-17 1999-04-06 Nippon Shokubai Co Ltd Builder for detergent
CN101848983A (en) * 2007-11-09 2010-09-29 宝洁公司 Cleaning compositions comprising a multi-polymer system comprising at least one alkoxylated grease cleaning polymer
CN103205032A (en) * 2013-03-14 2013-07-17 西北工业大学 Mold cleaning rubber for in-place mold cleaning and preparation method of mold cleaning rubber
KR20140062305A (en) * 2012-11-14 2014-05-23 (주)에이씨티 Hybrid rubber compound for clearing of mold
CN107081887A (en) * 2017-05-03 2017-08-22 山东新巨丰泰东包装有限公司 A kind of extruder slug method
CN107723144A (en) * 2017-09-30 2018-02-23 浙江跃进机械有限公司 A kind of automatic gearbox of vehicles cleaning agent
JP6294123B2 (en) * 2014-03-28 2018-03-14 出光ライオンコンポジット株式会社 Resin composition and cleaning method using the same
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1192787A (en) * 1997-09-17 1999-04-06 Nippon Shokubai Co Ltd Builder for detergent
CN101848983A (en) * 2007-11-09 2010-09-29 宝洁公司 Cleaning compositions comprising a multi-polymer system comprising at least one alkoxylated grease cleaning polymer
KR20140062305A (en) * 2012-11-14 2014-05-23 (주)에이씨티 Hybrid rubber compound for clearing of mold
CN103205032A (en) * 2013-03-14 2013-07-17 西北工业大学 Mold cleaning rubber for in-place mold cleaning and preparation method of mold cleaning rubber
JP6294123B2 (en) * 2014-03-28 2018-03-14 出光ライオンコンポジット株式会社 Resin composition and cleaning method using the same
WO2018159752A1 (en) * 2017-03-03 2018-09-07 ダイセルポリマー株式会社 Thermoplastic resin composition for molding machine cleaning
CN107081887A (en) * 2017-05-03 2017-08-22 山东新巨丰泰东包装有限公司 A kind of extruder slug method
CN107723144A (en) * 2017-09-30 2018-02-23 浙江跃进机械有限公司 A kind of automatic gearbox of vehicles cleaning agent

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112126149A (en) * 2020-10-10 2020-12-25 江阴升辉包装材料有限公司 Die flushing material for extrusion processing and preparation method thereof

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Application publication date: 20190322