WO2012088567A1 - Composição de resina termoplástica compreendendo uma mistura de agentes deslizantes e filme mono ou coextrusado, laminado ou não laminado - Google Patents
Composição de resina termoplástica compreendendo uma mistura de agentes deslizantes e filme mono ou coextrusado, laminado ou não laminado Download PDFInfo
- Publication number
- WO2012088567A1 WO2012088567A1 PCT/BR2010/000437 BR2010000437W WO2012088567A1 WO 2012088567 A1 WO2012088567 A1 WO 2012088567A1 BR 2010000437 W BR2010000437 W BR 2010000437W WO 2012088567 A1 WO2012088567 A1 WO 2012088567A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- thermoplastic resin
- resin composition
- laminated
- cof
- amide
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/20—Carboxylic acid amides
-
- 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
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
- B32B2250/05—5 or more layers
-
- 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
- B32B2250/242—All polymers belonging to those covered by group B32B27/32
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- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/746—Slipping, anti-blocking, low friction
-
- 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
- B32B2439/00—Containers; Receptacles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
Definitions
- the present invention aims to propose a composition of sliding additives for use in thermoplastic resins, preferably polyolines, and, consequently, the presence of this composition in at least one layer of laminated or non-laminated mono or coextruded films. More particularly, it encompasses an additive composition comprising at least one primary amide of formula R-CO-NH 2 and a secondary amide of type bis amide of formula R'-CO-NH-CH 2 -CH 2 -NH- COLOR''. Films containing this composition stand out for achieving values of coefficient of friction (CoF) of less than 0.35 and, above all, for the ability to maintain these controlled values for use in the automatic packaging industry.
- CoF coefficient of friction
- films with a coefficient of friction (CoF) of less than 0.35 are required.
- sliding agents are added to the polyolefins, among other additives. This class of additives aims to facilitate the sliding of the film on its own surface and on the metallic surfaces of the extruders and packaging lines, contributing to the increased productivity.
- the sliding agents used in most commercially available polyethylene and polypropylene resins are oleamide (C1 8) and erucamide (C22) unsaturated primary amides, which have the advantages of relatively low cost and effectiveness in promoting reduction of CoF values to ⁇ 0.35, range required for use in the automatic packaging industry.
- oleamide (C1 8) and erucamide (C22) unsaturated primary amides which have the advantages of relatively low cost and effectiveness in promoting reduction of CoF values to ⁇ 0.35, range required for use in the automatic packaging industry.
- erucamide C22
- silicones in addition to the amides that fall into the class of migratory sliding agents, there is also the use of high molecular weight silicones, which are classified as non-migratory sliding agents. Compared to amides, silicones stand out for their higher thermal stability, ability to immediately reduce CoF values after extrusion, but in contrast, they are less effective in achieving low CoF values and may have organoleptic restrictions.
- US 3,266,924 addresses a common application which is the combined use of antiblocking additives and sliding agents, more specifically primary fatty acid amides, to facilitate film slippage and minimize blockage. Blocking occurs when two faces of very thin plastic films come into contact, showing some resistance to separation. Anti-blocking additives act by physical process, reducing the contact area between the surfaces and, therefore, the adhesion between the films. It is noteworthy that the solution proposed in US Patent 3,266,924 is part of the state of the art and has the disadvantage of increasing CoF, especially after film printing and lamination processes. US 3,647,738 encompasses a polymer composition characterized by providing films with low coefficient of friction, low blocking force, and no surface slip migration by incorporating 0.01-5.0 wt%.
- US 7,267,862 B1 addresses the joint use of primary and secondary amides in low-thickness coextruded films, which may or may not be laminated with another polyolefin, polyamide or polyester film. It highlights as inventiveness the specific use of gliding agents in certain proportions and contents. In the field of claims extends the application to laminated or non-laminated mono or coextruded films, highlighting better performance when one of the layers contains a 1: 1 blend of oleil palmitamide and stearyl erucamide secondary amides, additionally in the presence of 25 to 5000 ppm of a primary amide of formula generic R-CONH 2 .
- Figure 1 Effect of secondary amides as medium performance sliding agents on LDPE resins.
- Secondary amides of the bis amides type have as their main application the use in ethylene vinyl acetate resins as an "antipega" agent. This application is in the public domain.
- the RE patent may be cited as an example. 32.325 - Tack Free Polymer Pellets.
- erucamide, oleamide and behenamide primary amides, and oleil palmitamide and stearyl erucamide secondary amides are used in the state of the art.
- the available solutions have limitations to generate flexible films with low CoF values (below 0.35) and, above all, to generate films capable of keeping CoF values controlled after the lamination process and after exposure to critical conditions ( time and temperature) of transportation and / or storage in the automatic packaging industry.
- This invention aims to bridge this performance gap.
- the solution proposed in this invention contemplates the use of a mixture of sliding agents which, in appropriate proportions, aims to close the gap in the performance of flexible film segments. More specifically, the inventiveness of this invention relates to the joint use of the primary amide and bis amide secondary sliding additives.
- the following are several examples elucidating the synergistic effect between these additives in order to obtain low CoF values even after lamination and storage, even under critical temperature conditions, in order to simulate aggressive transport and / or storage conditions in the processing industry. automatic packaging.
- thermoplastic resin composition comprising a mixture of slip agents consisting of:
- thermoplastic resin composition a) 0.0001% to 10% by weight, based on the total weight of the thermoplastic resin composition, of a primary amide of generic formula R-CO-NH 2 , where R is an alkyl radical containing 18 to 22 atoms of carbon; and
- thermoplastic resin composition b) 0.0001% to 10% by weight, based on the total weight of the thermoplastic resin composition, of a bis amide-type secondary amide of generic formula R'-CO-NH-CH 2 -CH 2 -NH-CO -R "where R 'and R” are alkyl radicals containing from 18 to 22 carbon atoms, wherein R' and R "may be the same or different.
- R, R 'and R" are alkyl radicals containing 18 carbon atoms.
- the present invention also relates to the use of said thermoplastic resin composition (hereinafter also referred to as additive resin) in the production of articles, preferably mono or coextruded, laminated or non-laminated, in which the resin is present in at least one of its layers, or any other product requiring a CoF value of ⁇ 0.35.
- the thermoplastic resin of the present invention is preferably a polyolefin resin, more preferably a polyethylene or polypropylene resin.
- thermoplastic resin is a resin obtained from a renewable natural source, certified for its renewable carbon content by determination according to the methodology described by ASTM D 6866-06, "Standard Test”. Methods for Determining the Biobased Content Natural Range Materials Using Radiocarbon and Isotope Ratio Mass Spectrometry Analysis ".
- Tests have indicated that by employing a 1: 1 ratio between additives (sliding agents) a) and b) it is possible to achieve better control of CoF after lamination, but CoF values fall short of ideal for use in the packaging industry. automatic.
- the best performance in terms of CoF control and obtaining appropriate values is obtained by employing additive contents b) about 50% higher than additive a).
- Suggested a) and b) ranges from 0.0001% to 10% by weight, the best performance being observed when using a) content preferably between 0.03 and 0.15% by weight, and b) content between 0 0.05 and 0.25% by weight.
- Polyolefin resins containing this composition stand out for their ability to produce films with CoF values of less than 0.35 and, above all, to keep these values properly controlled for use in the automatic packaging industry.
- the presence of the primary amide ensures low initial CoF values due to the low molecular weight and its ability to migrate rapidly to the film surface, while the secondary amide type amide ensures the maintenance of CoF even after lamination. and / or exposure of the film to high temperatures due to its higher thermal stability, less interaction with the lamination adhesives and, mainly, by the peculiar characteristics of the crystalline structure formed on the film surface.
- Secondary amides and secondary amides of the bis amide type have the common characteristics of high molecular weight and good thermal stability. However, as shown in the following figures, secondary amide type amides have two amide groups, while secondary and primary amides have only one amide group per molecule.
- the NH group has a polar characteristic and the presence of this group in the amide makes it incompatible with the polyolefin resins, which have a nonpolar characteristic. Due to this polarity difference between the amide and the polyolefins, after film extrusion, there is a decrease in the amide solubility as the polymeric mass cools and, consequently, the migration and crystallization of the amide on the surface of the film. movie.
- Sample A contains erucamide
- Samples B and C contain different levels of EBO
- samples D and E contain the combined use of these additives in different proportions.
- Table 2 Properties of the resins used in the production of the films mentioned in examples 2 to 5.
- Example 2 PE coextruded laminate film with the structure (A / A / A // A / A / A)
- the laminate samples were placed in an oven at 60 ° C and the CoF values determined on the inner / inner surface were monitored after 24, 48 and 72 h of exposure.
- Table 3 CoF int / int values in A / A / A // A / A / A laminate samples.
- Each layer A contains 80% LLDPE mixed with 20% LDPE.
- Example 3 PE coextruded laminate film with the structure (A / A / A // A / A / A)
- the objective of this evaluation was to evaluate the ability of erucamide + EBO additive LLDPE to keep CoF values under control, as well as to verify its performance in admixture with resins.
- additives with erucamide For this purpose coextruded and laminated films with their own structure (A / A / A // A / A / A) were produced. The film was laminated with medium performance adhesive and the total thickness is 72 microns.
- the laminate identified as Sample I had better optical properties, higher gloss and lower opacity.
- the laminate identified as Sample I maintained the CoF value close to 0.24 after 72 h of exposure.
- the example in Sample H was A significant increase in CoF values was observed, reaching 0.35 after 72 h of exposure. This increase in CoF values is undesirable and makes it impossible to use this film in automatic packaging processes.
- Example 4 coextruded film (A / B / B) coextruded film laminated to another (B / B / B)
- Example 5 PE coextruded film laminated with PET (A / A / A // PET)
- This evaluation aimed to evaluate the performance of LLDPE with erucamide (sample L) and containing erucamide + EBO (sample M) in PET laminated structures.
- films were made using a mixture of 80% LLDPE and 20% LDPE in the A / A / A layers which were laminated with PET. The films were laminated with high performance adhesive and the total thickness of the laminates is 70 microns.
- the laminate samples were placed in an oven at 60 ° C and the CoF values were monitored after 24, 48 and 72 h of exposure.
- CoF ⁇ / ⁇ values obtained in samples conditioned at room temperature were 0.17 for both laminates. After exposure to heat, the laminate identified as Sample M kept the CoF value close to 0.15, while the laminate identified as Sample L reached values greater than 0.34 during 72 h of exposure. In relation to the outer layer (PET), the values of CoF
- the present invention aims to protect the combined use of primary amide and bisamide secondary amide type slip agents in thermoplastic resins, as well as its use in end applications whose composition contains this thermoplastic resin, even at a low content. That is, it comprises any product in the form of a film or part whose final composition, expressed as a percentage by weight, contains from 0.0001% to 10% of a primary amide of generic formula R-CO-NH 2 and from 0.0001%. 10% by weight of a secondary amide of the bis amide type having the general formula R'-CO-NH-CH 2 -CH 2 -NH-CO-R ".
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
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Abstract
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112013016358A BR112013016358B1 (pt) | 2010-12-30 | 2010-12-30 | composição de resina termoplástica, uso da mesma, e, filme mono ou coextrudado, laminado ou não laminado |
PCT/BR2010/000437 WO2012088567A1 (pt) | 2010-12-30 | 2010-12-30 | Composição de resina termoplástica compreendendo uma mistura de agentes deslizantes e filme mono ou coextrusado, laminado ou não laminado |
US13/997,760 US9029447B2 (en) | 2010-12-30 | 2010-12-30 | Thermoplastic resin composition comprising a mixture of slip agents and a mono-or co-extruded, laminated or non-laminated film |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/BR2010/000437 WO2012088567A1 (pt) | 2010-12-30 | 2010-12-30 | Composição de resina termoplástica compreendendo uma mistura de agentes deslizantes e filme mono ou coextrusado, laminado ou não laminado |
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WO2012088567A1 true WO2012088567A1 (pt) | 2012-07-05 |
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PCT/BR2010/000437 WO2012088567A1 (pt) | 2010-12-30 | 2010-12-30 | Composição de resina termoplástica compreendendo uma mistura de agentes deslizantes e filme mono ou coextrusado, laminado ou não laminado |
Country Status (3)
Country | Link |
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US (1) | US9029447B2 (pt) |
BR (1) | BR112013016358B1 (pt) |
WO (1) | WO2012088567A1 (pt) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014087150A1 (en) * | 2012-12-05 | 2014-06-12 | Innovia Films Limited | Method for forming a package |
WO2017209733A1 (en) * | 2016-05-31 | 2017-12-07 | Kimberly-Clark Worldwide, Inc. | Coefficient of friction improvement in packaging materials |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10493732B2 (en) * | 2015-02-03 | 2019-12-03 | Petoskey Plastics, Inc. | Co-extruded plastic film for use with a vehicle seat |
KR20180114009A (ko) * | 2016-02-18 | 2018-10-17 | 도판 인사츠 가부시키가이샤 | 축전 장치용 외장재 및 축전 장치용 외장재의 제조 방법 |
EP3484949B1 (en) | 2016-07-18 | 2021-02-10 | Unilever N.V. | A method of modifying the dispensing properties of a container |
TWI766026B (zh) | 2017-06-09 | 2022-06-01 | 美商陶氏全球科技有限責任公司 | 低摩擦係數之乙烯類組合物 |
CN114905821B (zh) * | 2022-05-17 | 2023-11-28 | 南通天晟塑料包装有限责任公司 | 一种具有防黏功能的pe隔离膜 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3547754A (en) * | 1965-10-01 | 1970-12-15 | Crown Zellerbach Corp | Thermoplastic packaging films having a difference in slip characteristics between their two outer surfaces |
US6497965B1 (en) * | 1997-10-09 | 2002-12-24 | Applied Extrusion Technologies, Inc. | Slip agents and polypropylene films prepared therefrom |
US6630245B2 (en) * | 2000-02-23 | 2003-10-07 | Fina Technology, Inc. | Articles and film of poly-α-olefin having reduced coefficient of friction |
US7267862B1 (en) * | 2002-12-06 | 2007-09-11 | Appleton Papers Inc. | Controlled COF films |
-
2010
- 2010-12-30 WO PCT/BR2010/000437 patent/WO2012088567A1/pt active Application Filing
- 2010-12-30 BR BR112013016358A patent/BR112013016358B1/pt active IP Right Grant
- 2010-12-30 US US13/997,760 patent/US9029447B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3547754A (en) * | 1965-10-01 | 1970-12-15 | Crown Zellerbach Corp | Thermoplastic packaging films having a difference in slip characteristics between their two outer surfaces |
US6497965B1 (en) * | 1997-10-09 | 2002-12-24 | Applied Extrusion Technologies, Inc. | Slip agents and polypropylene films prepared therefrom |
US6630245B2 (en) * | 2000-02-23 | 2003-10-07 | Fina Technology, Inc. | Articles and film of poly-α-olefin having reduced coefficient of friction |
US7267862B1 (en) * | 2002-12-06 | 2007-09-11 | Appleton Papers Inc. | Controlled COF films |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014087150A1 (en) * | 2012-12-05 | 2014-06-12 | Innovia Films Limited | Method for forming a package |
CN104870314A (zh) * | 2012-12-05 | 2015-08-26 | 伊诺维亚薄膜有限公司 | 形成包装的方法 |
JP2016503370A (ja) * | 2012-12-05 | 2016-02-04 | イノヴィア フィルムズ リミテッド | パッケージを形成するための方法 |
EA029841B1 (ru) * | 2012-12-05 | 2018-05-31 | Инновиа Филмс Лимитед | Способ формирования емкости |
WO2017209733A1 (en) * | 2016-05-31 | 2017-12-07 | Kimberly-Clark Worldwide, Inc. | Coefficient of friction improvement in packaging materials |
Also Published As
Publication number | Publication date |
---|---|
US20130345349A1 (en) | 2013-12-26 |
US9029447B2 (en) | 2015-05-12 |
BR112013016358A2 (pt) | 2018-06-26 |
BR112013016358B1 (pt) | 2019-12-24 |
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