Properties of laminated oriented polypropylene

by Holly J. Chen

Publisher: National Library of Canada = Bibliothèque nationale du Canada in Ottawa

Written in English
Published: Downloads: 422
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Edition Notes

SeriesCanadian theses = Thèses canadiennes
The Physical Object
FormatMicroform
Pagination2 microfiches : negative.
ID Numbers
Open LibraryOL14754562M
ISBN 100315786329
OCLC/WorldCa30071663

A selection of cast film produced with homopolymer and copolymer polypropylene, including performance grades with superior cold temperature resistance, plus low temperature heat sealability. The film is enhanced for impact resistance and heat-seal strength, making it suitable for retort pouch applications and as a lamination sealant material. Plastic Films, HDPE and Thermoset Plastics are now an accepted part of the industrial and domestic scenes but this growth has been comparatively recent. Plastic films are typically used for sealing food items in containers to keep them fresh over a longer period of time. Plastic wrap, typically sold on rolls in boxes with a cutting edge, clings to many smooth surfaces and can thus remain tight. Anisotropy is the difference in the microstructure or mechanical properties of materials in different directions. Anisotropic behavior occurs in rolled sheets, and this anisotropy is very obvious in laminated composites. In this work, the influence of anisotropy on the microstructure and mechanical properties of Ti/Al laminated composites fabricated by rolling was investigated. A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text.

for the tensile properties of the laminate. E. Andreasson et al. [14] studied micro-mechanisms of fracture in a laminate composed of an aluminum foil and a polymer film and found that the fracture or failure process of the freestanding aluminum is a localised plastic deformation and thinning until the cross section vanishes. Perhapsthemostnatural test of amaterial’s mechanical properties is the tensiontest,in which astriporcylinderofthematerial,havinglengthLandcross-sectionalareaA,isanchoredatone end and subjected to an axial load P – a load acting along the specimen’s long axis – at the other. (SeeFig). Natural fibre reinforced plant structures are widely used in nature. These plant structures combine light weight with superior mechanical properties. The fibre orientations in plants are optimized to the occurring forces, especially to the bending of plants by wind forces. Therefore it is important to study the effect of fibre orientation to the mechanical properties of materials in a. Chen, M, Wang, Y, Wang, L, Yin, S (). Effects of Temperature and Humidity on the Barrier Properties of Biaxially-oriented Polypropylene and Polyvinyl Alcohol Films. Journal of Applied Packaging Research 6 (1) Galić, K, Ciković, N (). The effect of liquid absorption on gas barrier properties of triplex film coated with silicon.

Automotive Applications: Polypropylene is widely used in automotive parts because of its low cost, weldability, and mechanical properties. It can mostly be found in battery cases and trays, bumpers, fender liners, interior trim, instrumental panels and door trims. Polyethylene, light, versatile synthetic resin made from the polymerization of ethylene. Polyethylene is a member of the important family of polyolefin resins. It is the most widely used plastic in the world, being made into products ranging from clear food wrap and shopping bags to detergent bottles and fuel tanks. This paper investigated stamp forming performance of two aluminum-based Fiber-metal laminates (FMLs) with different fiber-reinforced composites using finite element analysis. Given the inherent thermal-dependent properties of fiber-reinforced polypropylene, the effect of elevated temperature on its forming behavior is worthy of concern. Some properties, such as toughness, stiffness and “body” are not well understood once the films have been laminated to oriented substrates, primarily polypropylene (OPP) or oriented polyester (PET). Oriented substrates, such as OPP and PET, demonstrate orders of magnitude increases in stiffness over typical blown PE-based films.

Properties of laminated oriented polypropylene by Holly J. Chen Download PDF EPUB FB2

Some typical properties of cast, uniaxially oriented film, and BOPP films are listed in Table Properties of films made using Novolen (BASF) homopolymers, random copolymers, and block copolymers are listed in Table (Fortilene Polypropylene Properties, Processing, and Design Manual, ; Novolen Polypropylene (PP), ; Thompson et al., ).

Oriented polypropylene laminated with cast polypropylene (OPP/CPP) was by far inferior for storage of the dehydrated banana blossom, of. BOPP laminated polypropylene is the acronym for biaxially oriented polypropylene (outside) over polypropylene (woven interior), a petroleum byproduct.

It refers to the combination of woven polypropylene used to construct the bags and an additional layer, or laminated surface, of polypropylene, on which graphic images are printed. Polypropylene (PP), also known as polypropene, is a thermoplastic polymer used in a wide variety of applications.

It is produced via chain-growth polymerization from the monomer propylene. Polypropylene belongs to the group of polyolefins and is partially crystalline and properties are similar to polyethylene, but it is slightly harder and more heat al formula: (C₃H₆)ₙ.

Polypropylene (OPP) lamination films offer a clear and bright finish for a variety of applications. Polypropylene is a soft film that folds easily and features inherent dry erase (write-on, wipe-off) properties. A combination of good performance characteristics and low price point make Polypropylene laminating films ideal for applications including book covers, folders, dry erase boards and.

BOPP laminated polypropylene is the acronym for biaxially oriented polypropylene (outside) over polypropylene (woven interior), a petroleum byproduct.

It refers to the combination of woven polypropylene used to construct the bags and an additional layer, or laminated surface, of polypropylene, on which graphic images are printed.

BoPET (biaxially-oriented polyethylene terephthalate) is a polyester film made from stretched polyethylene terephthalate (PET) and is used for its high tensile strength, chemical and dimensional stability, transparency, reflectivity, gas and aroma barrier properties, and electrical insulation.

A variety of companies manufacture boPET and other polyester films under different brand names. Polypropylene (PP) Polypropylene offers a good balance of chemical, thermal and electrical properties with moderate strength.

It has a good strength to weight ratio and due to its hard, high gloss surface, polypropylene is ideally suited to environments where there is concern for bacteria build up that can interfere with flow.

sealing temperature on the mechanical properties and morphology of oriented polypropylene (OPP)/cast polypropylene (CPP) laminated films. They reported that tensile strength of the seal was affected by the orientation of the films. While Hashimoto et al 8 had carried out investigation on the failure criteria of the heat.

Crystallinity yFor polyethylene, the degree of crystallinity has the largest influence on barrier properties. yRandomly oriented, large crystals, create the most tortuous path.

y% crystallinity can be measured and is influenced primarily by polymer type, but also by processing. yLDPE/LLDPE ~ 30% - 55% crystallinity yHDPE up to 85% crystallinity yIn addition to % crystallinity, morphology. Common Brand Names: Appryl, Hostalen PP, Lacqtene, Novolen, Propathene General Description: General Description: A semi-crystalline, white, semi-opaque commodity thermoplastic made in a very wide variety of grades and is a linear polyolefin which can be compared in many ways to high density polyethylene (HDPE) and that is manufactured in a very similar way.

The focus of this study was therefore the development of thin film systems using metallized aluminium or ethyl vinyl alcohol barrier laminates with low oxygen and water vapour transmission properties. Biaxially oriented polyethylene terephthalate and biaxially oriented polypropylene aluminium‐coated thin film laminates as well as.

Coated or laminated forms are used in a wide range of applications including packs for cheese, meat, coffee and biscuits. Biaxially oriented polypropylene (BOPP) has similar properties to oriented polypropylene but is much stronger. PP and BOPP are used for bottles, jars, crisp packets and biscuit wrappers among many other applications.

PP stands for Polypropylene, OPP stands for Oriented Polypropylene, and BOPP stands for Biaxially Oriented Polypropylene. They differ in the style of their fabrication. Polypropylene, also called are polypropene is a semi-crystalline thermoplastic polymer.

It has high impact resistance and is strong and tough. We manufacture a wide range of Biaxially Oriented Polypropylene (BOPP) Films under the brand name FLEXOPP cumulative production capacity of FLEXOPP TM films is 65, TPA ( million lbs per annum).

FLEXOPP TM films are available in thickness range microns. These films are available in Plain, Heat-Sealable, Metallizable, Matte, Pearlized, Cavitated, Overwrap, White Opaque.

CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): The objective of this research was to evaluate the effect of kenaf fiber orientation and furnish formulation on the properties of laminated natural fiber–polymer composites (LNPC).

The uniaxial fiber orientation provided property enhancement of the LNPC. The ran-domly oriented kenaf fibers, regardless of fiber con. Oriented Polyethylene Films Stretch the limits of PE films for Driven by its unique set of properties, of laminate layers.

Packaging performance Improved mechanical performance enables film structures to be downgauged by up to 45% Exceptional flex-crack resistance laminate cost.

It is the most common type of laminate for two-sided laminating, and available typically in mil thicknesses (with adhesive) of.8 mil up to mil. POLYPROPYLENE. Also known as (OPP), most polypropylene is “biaxially oriented”, which means that the film is stretched in two different directions while being manufactured.

2 carbon atoms. The average distance between each carbon atom is 10 this distance and the number of atoms in the chain takes to a length of 25 10 6m and 4–6 10 10m width for a stretched chain.

The statistical forming of the macromolecular structure of plastics results in the. A bioinspired polymer-based nanocomposite consisting of hierarchically oriented 2D nanomaterials and polymers exhibits extraordinary properties in various applications. However, it is still a great challenge to break through the limitations of the fabrication process and polymer types for producing a laminated nanocomposite with no restrictions in dimension.

Herein, large-area bulk. Cryogenics is an emerging technology filled with promises. Many cryogenic systems demand the use of nonmetallics and composites for adequate or increased performance.

Thermal and electrical insulations, potting for superconducting magnets' mechanical sta bility, and composite structures appear to be some of the most significant applications. Details about polypropylene film form Top-In. The pioneer manufacturers of lamination film in China.

Both have good oxygen and aroma barrier properties, but they are poor barriers to water vapor. Also, nylon films can be cast (see CAN), or oriented, (see BON). Opacity: Hiding power of pigmented (mostly white) plastic films. It is beneficial for packing materials sensitive to light (visible or ultraviolet).

OPP: Oriented PP (polypropylene) film. MJW International represents the highest quality producers of BOPP, BOPA Nylon, OPET, Cast Polypropylene (CPP), MOPP, PETG shrink, OPP Shrink, PVC Shrink, Matte Coated OPET, HDPE shrink, and coated & uncoated films for pressure sensitive applications from India, Indonesia and Germany.

MJW International imports, sells, manages logistics and provides customer & technical. Polypropylene bags are an excellent solution to pack KG of dry material. These small bags are manufactured from woven polypropylene fabric which has superior strength and less prone to punctures.

PP woven small bags may come in laminated or non-laminated version depending upon the need of the material. Polyvinylidene chloride is applied as a water-based coating to other plastic films such as biaxially-oriented polypropylene (BOPP), Nylon (NY), and polyester (PET). This coating increases the barrier properties of the film, reducing the permeability of the film to oxygen and flavours and thus extending the shelf life of the food inside the package.

Polypropylene (PP) is a rigid and crystalline thermoplastic used widely in everyday objects like packaging trays, household products, battery cases, medical devices, etc. Explore this comprehensive guide and learn everything you need to know about this widely used thermoplastic.

The present invention relates to a thermal laminating film comprising: a base layer of biaxially oriented polypropylene (BOPP) film and a thermal laminating layer disposed on the outer surface of the base layer, wherein the said thermal laminating layer comprises % by weight of an ethylene vinyl acetate copolymer containing from 10% to 30% by weight of vinyl acetate units and having melt.

Polypropylene or PP is a thermoplastic of high clarity, high gloss and good tensile strength. It has a higher melting point than PE, which makes it suitable for applications that require sterilization at high temperatures. The two most important types are cast unoriented polypropylene (CPP) and biaxially oriented polypropylene (BOPP).

The effect of heat sealing temperature on the mechanical properties and morphology of OPP/CPP laminate films was investigated. The laminated films were placed in an impulse type heat sealing machine with both CPP sides facing each other.

The temperatures investigated ranged from to. OPP, oriented-polypropylene, films are a material with unique strength, thinness, density confirmation transparency, and gloss.

It also has excellent moisture proof properties which allows for clear printing using normal inks. This can be used in packaging food, textile products, pharmaceuticals, and miscellaneous goods. Glass fibers (GF) are the reinforcement agent most used in polypropylene (PP) based composites, as they have good balance between properties and costs.

However, their final properties are mainly determined by the strength and stability of the polymer-fiber interphase.

Fibers do not act as an effective reinforcing material when the adhesion is weak.PET possesses excellent high‐temperature properties, high strength and clarity, and has high oxygen and carbon dioxide barrier properties. Often used for medical application pouches, boil‐in‐bag applications, meat, snack, and baked goods, PET is an important player in the field of flexible packaging.