They are produced via the freeradical polymerization of. The grafting occurs when some of the radicals react with the double bonds of the polybutadiene. Medium type high impact polystyrene hips properties. Please consult your distributor for a product sample before making critical color choices. Influence of the surface modification of a filler on the. Such modified polystyrene is called high impact, or rubbermodified, polystyrene. Hips is a graft copolymer having polystyrene sidearms. Flame retarding high impact polystyrene hips introduction polystyrene resins are relatively low cost thermoplastics with an easy processability and interesting balance of properties, allowing their use in a wide variety of highvolume applications. High impact polystyrene is a low cost, tough plastic material that is easy to thermoform and fabricate. Influence of ps concentration on the phase inversion, morphology and impact strength. It is categorized as a standard material, and offers ease of processing, high impact strength, and stiffness. The boards are lightweight, durable and impact resistant which helps to reduce job site damage. Sep 04, 2001 polystyrene homopolymer, known as crystal polystyrene in the trade, is an amorphous, colorless, and transparent commodity thermoplastic.
Red high impact polystyrene sheet plastic stockist. Technical data sheet high impact polystyrene laminated plastics. The results of the surface modification were characterized with transmission electron microscopy and fourier transform infrared spectra. Styrene, also known as vinyl benzene, was discovered about two hundred years ago as a component of several trees, for example in liquidambar orientalis. Eps is supplied to molders in the form of a polystyrene bead. Synthesis and properties of insitu bulk high impact polystyrene. Generalpurpose polystyrene is formed by polymerization of styrene. They are engineered from the toughest polystyrene resins to add a superior balance of enhanced properties for color control, higher gloss, uv protection. Properties, performance and design fundamentals of expanded polystyrene packaging expanded polystyrene expanded polystyrene eps is a generic term for polystyrene and styrene copolymers that are expanded into a variety of useful products. High impact polystyrene hips is a low cost plastic material that is easy to machine and fabricate. Highimpact polystyrene is produced by polymerization of styrene in the presence of butadiene rubber.
Can be printed offset lithography, screen, uv digital and flexography. Properties, performance and design fundamentals of. Technical data sheet polystyrene sheets high impact polystyrene from styrene butadiene with very good mechanical properties and highly resistant to cold. Required properties for celfort and foamular extruded polystyrene insulation. Find out information about high impact polystyrene. A versatile, cost effective extruded polystyrene that can be used in a variety of applications. This blend, suitable for toys and appliance parts, is marketed as high impact polystyrene hips. High impact polystyrene sheet buy online at curbell plastics. This is often used in packaging where the manufacturer would like the consumer to see the enclosed product. Once heated, hips is highly malleable, meaning high impact polystyrene thermoforming is an excellent way to manufacture the plastics our customers need. Pdf fracture characteristics of high impact polystyrene. Hips is specifically formulated for use in graphic arts applications. High impact polystyrene hips hips is a grade of ps. It is rigid, brittle, relatively hard and has excellent gamma radiation resistance, good electrical properties but has poor chemical and uv resistance.
It also meets the requirement of food contact regulation physical properties. High impact polystyrene hips is a versatile, economical and impact resistant plastic that is easy to machine and fabricate. Pdf this study analyses the impact properties of high impact polystyrene hips. Hips is a low cost plastic material that is easy to machine and fabricate. High impact polystyrene hips, a twophase polymeric system, has been investigated studying the pressure dependence of stresselongation behaviour in tension over the range from atmospheric pressure to 4 kbar at room temperature and constant strainrate. Highimpact polystyrene is produced by polymerization of styrene in the. It is recommended for electrical appliances air conditioning parts, tv, household products, sanitary ware, and toys. An elastomer is incorporated during polymerization to achieve impact resistance property. High impact polystyrene hips, styrene, ethenylbenzene, vinyl benzene, phenylethene prime impax, digimax, lithomax, sceenmax styrene specifications specific gravity max.
Formpro high impact polystyrene hips sheet is a versatile single and multilayer extruded material engineered to provide a balance of enhanced properties for color control, gloss level, appearance and formability. This article was most recently revised and updated by amy tikkanen, corrections manager. High impact polystyrene hips is a tough plastic that has excellent impact strength, high stiffness. Styroluxis the trade name for basfs thermoplastic materials consist ing of styrenebutadiene block copolymers. Polystyrene hips, high impact polystyrene data sheet. The styrene content of highimpact polystyrene varies from about 88 to 97 percent. Polystyrene hips, high impact polystyrene signboom. Buy high impact polystyrene sheet online at curbell plastics. Our hips can be used in point of purchase displays, instore signage, food and medical trays, horticultural signage and tags.
Tensile test was measured at two crosshead speeds 50 and 500 mmmin and bending test at 2. The styrene content of high impact polystyrene varies from about 88 to 97 percent. Expired lifetime application number us83932a inventor hans e lunk current assignee the listed assignees may be. Abstract high impact polystyrene hips resins were obtained with in situ bulk polymerization toughened by styreneisoprenebutadiene. Hips high impact polystyrene, also known as ps polystyrene, is an amorphous thermoplastic material, used in lower heat applications. It has good impact resistance, fatigue resistance, and moderate stiffness. High impact polystyrene thermoforming and injection molding. They are engineered from the toughest polystyrene resins to add a superior balance of enhanced properties for color control, higher gloss, uv protection, appearance, stiffness, deepdraw formability, and high impact. Polystyrene is basfs trade name for its line of generalpurpose and highimpact polystyrenes for injection molding, extrusion, thermoforming, blow molding and injection blow molding. Injection moulded samples were subjected to the tensile impact test, tensile test, impact test charpy and threepoint bending test at the ambient temperature. Formpro high impact polystyrene hips sheet spartech. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed. Paper open access mechanical properties study of high impact. Polystyrene owes its high sales to good all round properties, easy processing and to an environmentally safe production.
Special polystyrene grades and their particular properties. They are engineered from the toughest polystyrene resins to add a superior balance of enhanced properties for color control, higher gloss, uv protection, appearance, stiffness, deepdraw formability, and high impact strength. High impact polystyrene hips sheet is a versatile, cost effective material. The effects of the surface modification on the properties of high. High impact polystyrene data sheet non stop barcelona. Generalpurpose polystyrene gpps highimpact polystyrene. Where a blowing or expanding agent is added to the polystyrene, the product is referred to as an expandable polystyrene. This material data has been provided by toling corporation sdn bhd. The mechanical behaviour of highimpact polystyrene under. Units astm test method hi impact extruded polystyrene mechanical. High impact polystyrene hips can be used in many print applications, including promotional signs, display materials, garden stakes and tags, posters, and retail packaging, as well as 3d lenticular or moving images images that give an illusion of depth or movement. Synthesis and mechanical properties of high impact polystyrene with. To do this, large sheets of hips are heated and fitted over a custom tool.
The graph bars on the material properties cards below compare hips to. Hips high impact polystyrene plastics international. It is often used for countertop pointofpurchase displays, banners, and indoor signs. Some benefits to ops are that it is less expensive to produce than other clear plastics such as polypropylene pp, polyethylene terephthalate pet, and high impact polystyrene hips, and it is less hazy than hips or pp.
The material can be assembled with mechanical fasteners, solvents, or adhesives. A comparative study of polystyrene ps was also undertaken. Ali pournaghshband isfahani, mahmood mehrabzadeh and jalil morshedian, the effects of processing and using different types of clay on the mechanical, thermal and rheological properties of high impact polystyrene nanocomposites, polymer journal, 10. Synthesis and characterization of high impact polystyrene from a heterogeneous styrenerubberpolystyrene solution. Pdf fracture characteristics of high impact polystyrene under. High impact polystyrene ps 825e is manufactured by continuous mass polymerization of styrene monomer. Foam insulation can be scored and fabricated easily with common hand tools. Hips is often specified for low strength structural applications when impact resistance, machinability, and low cost are required. Hi650 is a high impact grade of polystyrene resin for injection molding with good impact resistance and easy flow. Hips is a versatile costeffective material engineered from tough polystyrene resins. Hips provide single and multilayer sheet structures. Polystyrene hips, high impact polystyrene high impact polystyrene is a low cost, tough plastic material that is easy to thermoform and fabricate. Properties, performance and design fundamentals of expanded. Analysis of thermomechanical properties of selected class.
Fracture characteristics of high impact polystyrene under impact fatigue loadings article pdf available in journal of materials science 4416. In order to reduce brittleness and improve impact strength, more than half of all polystyrene produced is blended with 5 to 10 percent butadiene rubber. A composition comprising a mixture of a styrene polymer, a rubbery dienic polymer and a sequenced copolymer of styrene and a diene, the total styrene polymer content which includes the free polystyrene and the polystyrene present in the sequenced copolymer is between 50 and 99% by weight of the composition, the total rubber content, which include the rubbery dienic polymer and the dienic. It is frequently used machining preproduction prototypes since it has excellent. This article deals with the study of high impact polystyrene hips mechanical properties. It is a high impact strength polystyrene with high heat distortion temperature and good physical properties. Printable grades of high impact polystyrene can be decorated using a variety of. The improvement of the impact properties of styrenic polymers as highimpact polystyrene hips or acrilonitrilestyrenebutadiene copolymer abs is usually. High impact polystyrene contains usually 5 to 10% rubber butadiene and is used for parts which require high er impact resistance. Hips is often specified for low strength structural applications. High impact polystyrene was synthesized using two series of styrenebutadiene sb tapered block copolymers with a polystyrene pspolybutadiene pb composition of 3070 and 1090 wt%.
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