Pluracol balance 50 polyol is a trifunctional polyether polyol based on a renewable raw material which contains mainly secondary hydroxyl groups. Surfactant level influences on structure and properties of flexible slabstock polyurethane foams article in polymer 411. Physical performance and environmental guidelines for certification of slabstock flexible polyurethane foam for use in furniture and bedding pdf, referred to as the technical guidelines, contain the criteria and requirements for certification of flexible polyurethane foams through the certipurus program. New technology for viscoelastic foam stan hager bayer corporation 3200 kanawha turnpike south charleston, wv 25303 richard skorpenske bayer corporation 3801 west chester pike newtown square, pa 19073 sebastien triouleyre and faouzi joulak bayer corporation european technical center, p. Physical performance and environmental guidelines for certification of slabstock flexible polyurethane foam for use in furniture and bedding pdf, referred to as the technical guidelines, contain. The top countries of suppliers are china, taiwan, china, and india, from which the percentage of slabstock foam supply is 85%, 5%, and 3% respectively. Integral skin foam surface provides protection against. When it comes to manufacturing slabstock in a continuous process, the use of highpressure technology, the liquid laydown process and the flattop system allows processors to achieve a highly efficient raw material yield and excellent foam qualities. The results were compared to those obtained on conventional slabstock foams based on tdi and glycerol initiated propyleneoxide. Pdf polyol stabilization and the introduction of a new pur. Hofmann heinzdieter lutter format messtechnik gmbh elastogran gmbh d76187 karlsruhe d49448 lemforde germany germany abstract laboratory devices for measuring foam parameters of small samples have reached a high standard in recent years. This paper extends the models for conventional flexible slabstock beyond the previously reported key properties, namely density, hardness and fatigue, to other properties like elongation, tear strength, tensile strength, set properties and foam exothermic temperature. Foams based on a 2700 molecular weight triol, 6 pph water, and varying amounts of an 8020 mixture of 2,4. Low density 28 50 kgm3 rigid polyurethane foam is a highly effective thermal insulant.
Flexible, slabstock polyurethane foam compositions useful for a rapidcool process are disclosed. Pluracol 1538 polyol is intended for the production of viscoelastic foam typically formulated with another base product such as pluracol 593 polyol. Flexible polyether polyols polyether hr slabstock polyol. This document isnt intended, nor can you rely on it, to create any rights enforceable by any. Major applications for pluracol 4650 include foams for prime carpet cushion, furniture seating and packaging. Pdf polyol stabilization and the introduction of a new. Plain language guide to the flexible polyurethane foam. The rigid foam is then cut to the desired shape and size. Us6797736b1 method of forming high resilience slabstock. If the level of silicone surfactant is incorrect, either foam stability problems may lead to excessive sign back foam setting from its maximum height or closedcells and shrinkage may occur. It can be used alone for maximum effect or in combination with conventional polyols. Mar 26, 2001 the continuous production of rigid foam uses equipment very similar to that for producing flexible slabstock foam. Pvc technology, 4th ed elsevier applied science publishers.
In addition, the processing window for the tinii catalyst may be narrowed considerably. The polymerization reaction to make polyurethane foam is exothermic, and much of the heat generated in the reaction is trapped within the foam, which is. Structureproperty relationships of flexible polyurethane foams. Our entire range is formulated in a way that it is able to serve diverse industrial applications, in an effective manner. Business chemicals, plastics and rubber methylene diphenyl diisocyanate evaluation methylene diphenyl isocyanate polyurethanes molding polyurethanes molding urethane foam. Common applicationrenewal form slabstock or molded foam download form pdf or submit online. This skin of integral skin foam not only increases the attractiveness of the part but adds durability as well. This polyol is a highly filtered version of pluracol p4600. Also, due to the large number of potential uses of hap at molded foam facilities, such criteria are not included for molded foam facilities. Purpir rigid foam for industrial requirements and optimum. Pdf polyurethane slabstock foam production involves a vigorous exothermic reaction.
Download fulltext pdf polyol stabilization and the introduction of a new pur slabstock foam antioxidant conference paper pdf available september 2011 with 2,002 reads. An expanded range of allmdi flexible foam slabstock for hr and cmhr applications denis hicks, glyn davies, severino spertini, pierre chaffanjon huntsman polyurethanes everslaan 45, b3078 everberg, belgium tel. Covestro found one, a catalyst that makes lowenergy reactions possible and now includes up to 20% co. Takeda has developed a unique homogeneous polyol mixture, which provides a low resilience foam with two glass transition temperatures. Pioneers in the industry, we offer flexible polyether polyols that includes hr molded polyol, polyether hr slabstock polyol and polyether flexible slabstock polyol. Tegoamin, kosmos and ortegol brands you will find the right additives. Technical guidelines for slabstock flexible polyurethane foam. Comparison of two slabstock foam formulations with high and low amount of cell opener. An expanded range of allmdi flexible foam slabstock.
Feb 03, 2010 polyurethane foam continuous slabstock. Basf pluracol balance 50 slabstock foam polyol datasheet. Gel time and curing determination of slabstock foam erland. Low resilience polyurethane slabstock foam with microphase. Flexible slabstock polyurethane foam formulation for a rapid. Cushioning slabstock flexible public transport seat, polyurethane foam carpet underlay, furniture, bedding, molded flexible foot wear, furniture, polyurethane. Abstract the effect of toluene diisocyanate tdi index on the physical properties, structure, and morphology of flexible slabstock polyurethane foams was investigated. Slabstock slabstock processing has its name from the way that the foam is cut into large slabs after being processed, instead of formed into specific geometric shapes. Us5591780a low odor amine catalysts for polyurethane. Cannon viking is the world leader in the manufacture of machinery for the production of polyurethane foam blocks, with more than 700 machines in operation in more than countries worldwide. Surfactant level influences on structure and properties of. Us5382602a flexible slabstock polyurethane foam formulation for. Novel technology to influence hardness of flexible polyurethane. Large quantities of block rigid foam can be manufactured by the proportioning of the ingredients to a mixing head and then dispensing onto a moving conveyor belt.
The combination of these two immiscible polyols provide a unique technology foundation in the manufacture of viscoelastic foams intended for bedding, pillow, and seating applications. Polyurethane basic products for slabstock foams 3 lupranat nco content viscosity features in % at 25 c in mpas t 80 a 48. The purpose of this paper is to elucidate the nature of the low resilience foam with microphase separated morphology. Measurement of physical parameters in the production of. Closed loop of polyurethane flexible slabstock foam wastes by. The foam made by carpenter is used extensively in the furniture, bedding, automotive, acoustic and consumer markets. Jan 17, 1995 flexible, slabstock polyurethane foam is an opencelled, porous foam that is widely used in furniture, mattresses, carpet underlay, and many other applications for which cushioning is desired. Process and installation for the production of foam in a.
Through the combination of various technologies exclusive to hennecke, continuous slabstock lines are opening up a variety of prospects for the costeffective manufacture of highquality foams of any length, up to 2,500 mm in width and, depending on the foam type and specific density, with a height of up 1,500 mm. Additives for flexible slabstock foam from montbelle. Measurement of physical parameters in the production of slabstock foams bernd h. Effect of toluene diisocyanate index on morphology and. These hard segments contribute to the increase of the hardness of slabstock polyurethane foam. Gel time and curing determination of slabstock foam erland e. Foam production published in the federal register, 10798, 63 fr 53980 or any state, local or tribal rules that may apply to your facility.
Many organizations are looking for energyefficient ways to capture and use co. There are 76 suppliers who sells slabstock foam on, mainly located in asia. Mixed isocyanates in flexible polyurethane slabstock foams. This polyol has been formulated with a low volatile. This foam shows a weak fluorescence under longer blueviolet light and shorter ultraviolet light wavelengths, which according to our previous study, could be attributed to the presence of aromatic structures and amide groups, as well as to. What is the difference in the technical guidelines for slabstock and molded foam.
Article information, pdf download for a new era for mdi. The subject invention provides a method of forming high resilience slabstock polyurethane foam having random cell structures to produce latexlike feel and characteristics. Surfactant level influences on structure and properties of flexible slabstock polyurethane foams. A wide variety of slabstock foam options are available to you, such as ce. A unique regression data base calculation engine, built into the program, makes foamkit fast, powerful but flexible. An expanded range of allmdi flexible foam slabstock for hr. Hennecke group information material in pdf form important. We manufacture and stock a wide range of foam blocks at our glossop branch. Tdis were characterized using a number of physical property and. Continuous slabstock lines costefficient production of. The polyol is capable of producing a broad range of flexible slabstock polyurethane foams, for furniture and bedding applications.
The effect of toluene diisocyanate tdi index on the physical properties, structure, and morphology of flexible slabstock polyurethane foams was investigated. Hennecke is considered the market leader in the field of slabstock machines and systems. Pdf an expanded range of allmdi flexible foam slabstock for hr. The dissolution time in a 100 l reactor by manual addition into a 5 feed is about one hour which is mainly a consequence of the low weight and bulkiness of the foam particles. Formulation and process calculation software for all. Integral skin polyurethane foam is a natural surface occurrence of our injection molded foam process. Handbook of polymeric foams and foam technology 2nd edition edited by daniel klempner and vahid sendijarevic with contributions by r.
Rise height h, reaction temperature t, rise pressure. The method includes the first step of providing an isocyanatereactive component and an isocyanate component to react with the isocyanatereactive component. A method for preparing a polyester flexible slabstock polyurethane foam which comprises reacting an organic polyisocyanate and a polyester polyol in the presence of a blowing agent, optionally a cell stabilizer and a catalyst composition consisting essentially of nmethylimidazole or 1,2dimethylimidazole, or both. Mathematical property prediction models for flexible. The cell opening can especially be seen in the decrease of the rise pressure p. The pressure curve also reveals information about the gel time. Slabstock foams are produced by continuously pouring the reactant. Purpir rigid foam for industrial requirements and optimum solutions discover the versatility. Based on optical microscopy, the good condition of the unaged reference is evident by the bright whitish colour and flawless cell struts fig. Europur has published a map of flexible slabstock foam plant in europe. Nov 21, 2006 in step 56, the division of the slabstock foam is controlled according to the quality predicted, so that, for example, sections of the slabstock foam of lower quality are cut out in order to achieve large cohesive blocks of high quality. Slabstock foam polyol pluracol 4156 polyol is a 56 hydroxyl number nominal 3000 molecular weight polyether triol capable of producing a broad range of flexible slabstock polyurethane foams for furniture, bedding and carpet underlay applications. The materials are spread onto a conveyor through a mixing head, and the foam forms on the conveyor constrained by walls so the foam forms a large slab of material.
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