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Delrin - POM - DuPont
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Kunststoffe international, 2005-11-21, Design for Innovative Materials
...the hinges are formed as inserts. Alternatively, they suggest the use of snap-on joints for subsequent assembly if the production of individual components is preferred. For these components, they propose the use of polyacetals such as DuPont's Delrin with its steel spring-like properties. . . . The criteria, and what happens next The main criteria for assessment were: utilization of the specific properties of the selected engineering plastics, degree of innovation, functionality and feasib...
Kunststoffe international, 2005-11-21, Development History of Plastics: Growth through Changing Times
...rom bisphenol A (BPA) came on stream at both Bayer in Germany and General Electric in the USA. In 1959, DuPont started production of acetal homopolymer (Delrin), while in 1960 Celanese (Celcon) and Hoechst (Hostaform) began manufacturing acetal copolymers. This was followed by the launch of new fluorinated and sulphonated polymers (1960: tetrafluoroethylene, FEP; polyvinyl fluoride, PVF; 1961: polyvinylidene fluoride, PVDF; 1972: ethylene-tetrafluoroethylene copolymers, ETFE; 1973: perfluoroalk...
Kunststoffe international, 2005-11-21, Engineering Plastics: Products for Innovative Processes
...act-modified and tribologically optimised specialties to its range of low-odour injection moulding grades (Hostaform XAP). Where attractive appearance coupled with high functionality is required, the specially developed polyacetal package, Delrin Decorating Solutions, from DuPont is opening up new opportunities for designers and stylists. The complete package consists of Delrin plastic, an etching solution, coating materials and technical consultation. The Delrin grades DS100, DS500 and DS900 a...
Kunststoffe international, 2005-11-21, Exhibition Preview: North American and Canadian Products at K 2004
...tedly allows faster extrusion than hoses using nylon 11 or 12 abrasion layers. Pipelon also withstands higher temperatures, and it costs less. Acetals for Hot Diesel At the top of DuPont’s news in acetals is Delrin 560HD, which resists hot diesel fuel much better than standard acetals. New low-emissions diesel engines pressurize the fuel and raise its temperature. Test specimens of the new grade reportedly outperformed all other acetals, including those offered by other suppliers specifically f...
Kunststoffe international, 2005-11-21, Increased Demand: Polyoxymethylene (Polyacetals, POM)
...-filling nozzles. Development topics in the field of electrically conductive polyacetals are permanently antistatic grades and modifications with nano tubes. Where an attractive appearance must be combined with high functionality, Delrin Decorating Solutions (manufacturer: DuPont) offers new design opportunities for stylists and designers. This is a complete package comprising the polymer Delrin, an etching solution, coating materials and customer support. It allows stylish aesthetic effects of ...
Kunststoffe international, 2005-11-21, Plastic, the All-purpose Material: Function in Form
...st member of the “Hypno Skate Transportation System” (STS) family, called “second generation” or STS II. A polyamide frame (grade: Zytel, manufacturer: DuPont), and a polyacetal (grade: Delrin, manufacturer: DuPont) fastening clip ensure maximum safety, ease of use and durability. The trendy new MiG by Soviets (fun:4u sports & internet GmbH, Troisdorf/Germany; Fig.8), combines the best that skateboards, scooters, inline-skates and kickboards have to offer. To enable it to withstand the extreme s...
Kunststoffe international, 2005-11-21, Polyoxymethylene (Polyacetals, POM)
...Charge" accessory. It cleans the blades automatically in 90 % alcohol, dries the shaver and recharges it if required. The extending base plate, which accepts exchangeable cartridges for the cleaning fluid, consists of a free-flowing polyacetal (Delrin 511 P, manufactured by DuPont). This grade has particularly low warpage and, because of its high resistance to conventional media used for hygiene purposes, very good dimensional stability. This - together with low friction and low wear - ensur...
Kunststoffe international, 2005-11-21, Polyoxymethylene (POM)
...the substitution of metal parts. In France, for example, guide discs of overland cables that were formerly produced from aluminium in a multi-component design, have now been replaced by a one-part construction made of DuPont’s POM, Delrin. This grade of Delrin was used because of its high mechanical strength, its resistance to environmental influences and its outstanding electrical insulation. An interesting market with high growth rates is that of medical technology. For this sector, the specia...
Kunststoffe international, 2005-11-21, Thermoplastic Elastomers (TPE)
...plication for TPE. Veeser Plastic of Konstanz/Germany, for example, uses them to produce sliding switches using the two-component technique for lighters made by Rowenta (Fig.9). The basic frame of the switch which is produced in the polyacetal Delrin, has a non-slip grip surface injected on to it in Ponaflex TPE-S from Pongs & Zahn Plastics AG, Hamburg/Germany. The choice fell on Delrin because of its good sliding properties, its dimensional stability and the ease with which it can be coloured. ...
Kunststoffe international, 2005-11-21, Wear Protection: Use of PVD Coatings in Plasticising Units
...are them with one another directly, since each coating would have been subject to a different temperature. The temperature, together with the shear stress at the surface of the screw, is a significant factor in deposit formation. The POM grade Delrin 500T (manufacturer: DuPont) was used as test material. The processing parameters recommended by the manufacturer are summarized in Table 1. In order to foster deposit formation even when processing small amounts of material, aggressive test conditio...
Kunststoffe international, 2006-09-08, Carrier Film: New Possibilities for Decorating Thanks to 3-D Dye-Sublimation Printing
...he type of material: in polyoxymethylene (POM) it is fairly high with 200 to 300µm. But also polyamides (approx. 100µm) and polyesters (approx. 200µm) provide good results (Figs. 1 and 2). This expands the possibilities for decorating POM (type: Delrin; manufacturer: DuPont) especially, as this material has a low surface energy, so that conventional coatings and inks adhere only poorly. Processes such as flame treatment, priming, plasma treatment or overmoulding with a different resin can be a r...
Kunststoffe international, 2008-10-17, Polyoxymethylene (Polyacetals, POM)
...electrical/electronics – the largest producers of office machines and home appliances have their headquarters there, but the automobile branch is catching up. On the Market since 1956 DuPont put the first polyoxymethylene under the brand name Delrin on the market in 1956. POM is a semi-crystalline thermoplastic polymer processable by injection molding or extrusion. POM copolymers (e.g. Ticona’s Hostaform, BASF’s Ultraform) result from copolymerizing Trioxan with Diox...
Kunststoffe international, 2011-04-25, Chemical Cross-Linking During Fires
...ules. The reason for this is said to be that the network structure suppresses combustion supporting diffusion processes [3]. The chemical basis of the newly developed flame retardant system are components such as polyoxymethylene (homopolymer POM-H, Delrin from DuPont) as well as POM copolymers (POM-A, Hostaform T 1020; POM-B, Hostaform S 9224; POM-C, Hostaform S 9063; POM-D, Hostaform C 27021; from Ticona), phenolic Novolak (these are phenol formaldehyde resins, produced with a formaldehyde to ...
Kunststoffe international, 2011-10-17, Polyoxymethylene (POM)
...typical fields of application are: Industrial applications (11 %), fluid handling (7 %), household appliances (4 %) and Others (14 %). The first polyacetal was brought onto the market more than 50 years ago by DuPont under the trade name Delrin. The most important properties of the highly crystalline, thermoplastic polymer are its high toughness, hardness and rigidity, its resistance to chemicals and its good heat resistance; properties that make POM attractive for a large number of applications...
Kunststoffe international, 2014-01-23, Fluorinated Oils: Going Smoothly
...erties and, as a result, processability. Measurements with a capillary rheometer showed that viscosities were reduced by up to 40 %. For instance, employing 0.5 % Fluoroguard reduced by 20 % the shear viscosity of the polyacetal material Delrin 100P (manufactured by DuPont), when processed at 1,000 s-1 shear rate. However, plastics modified with this additive are in fact suitable to overmold metal inserts, causing no unbonding of interfaces. Better Abrasion Resistance for Surfaces There is a tre...
Kunststoffe international, 2014-10-10, Polyoxymethylene (Polyacetal, POM)
...its consumption, China has now also become the largest producer of POM, followed by Europe, the USA and South Korea.The current market leaders are Celanese Corp., Dallas, Texas/USA (Hostaform, Kematal, Celcon); DuPont AG, Wilmington, Delaware/USA (Delrin); Polyplastics AG, Tokyo, Japan (Duracon), Korea Engineering Plastics Co. Ltd., Seoul, South Korea (Kepital); Mitsubishi Chemicals Inc., Tokyo, Japan (Lupital); and BASF SE, Ludwigshafen, Germany (Ultraform). Other notable producers are Zaklady ...
Kunststoffe international, 2017-11-29, An Attritional Rendezvous
...iding and wear behavior, POM is frequently used as a construction material. This results from the low frictional resistance and the high abrasion, wear, and fatigue resistance of the polyacetal. The major trade names and their manufacturers are: Delrin (DuPont), Hostaform (Celanese), Ultraform (BASF), and Kepital (KEP). By adding PTFE, it is possible to combine its good sliding properties with the high mechanical strength of POM [1].PTFE belongs to the group of semicrystalline thermoplastics and...
...the hinges are formed as inserts. Alternatively, they suggest the use of snap-on joints for subsequent assembly if the production of individual components is preferred. For these components, they propose the use of polyacetals such as DuPont's Delrin with its steel spring-like properties. . . . The criteria, and what happens next The main criteria for assessment were: utilization of the specific properties of the selected engineering plastics, degree of innovation, functionality and feasib...
Kunststoffe international, 2005-11-21, Development History of Plastics: Growth through Changing Times
...rom bisphenol A (BPA) came on stream at both Bayer in Germany and General Electric in the USA. In 1959, DuPont started production of acetal homopolymer (Delrin), while in 1960 Celanese (Celcon) and Hoechst (Hostaform) began manufacturing acetal copolymers. This was followed by the launch of new fluorinated and sulphonated polymers (1960: tetrafluoroethylene, FEP; polyvinyl fluoride, PVF; 1961: polyvinylidene fluoride, PVDF; 1972: ethylene-tetrafluoroethylene copolymers, ETFE; 1973: perfluoroalk...
Kunststoffe international, 2005-11-21, Engineering Plastics: Products for Innovative Processes
...act-modified and tribologically optimised specialties to its range of low-odour injection moulding grades (Hostaform XAP). Where attractive appearance coupled with high functionality is required, the specially developed polyacetal package, Delrin Decorating Solutions, from DuPont is opening up new opportunities for designers and stylists. The complete package consists of Delrin plastic, an etching solution, coating materials and technical consultation. The Delrin grades DS100, DS500 and DS900 a...
Kunststoffe international, 2005-11-21, Exhibition Preview: North American and Canadian Products at K 2004
...tedly allows faster extrusion than hoses using nylon 11 or 12 abrasion layers. Pipelon also withstands higher temperatures, and it costs less. Acetals for Hot Diesel At the top of DuPont’s news in acetals is Delrin 560HD, which resists hot diesel fuel much better than standard acetals. New low-emissions diesel engines pressurize the fuel and raise its temperature. Test specimens of the new grade reportedly outperformed all other acetals, including those offered by other suppliers specifically f...
Kunststoffe international, 2005-11-21, Increased Demand: Polyoxymethylene (Polyacetals, POM)
...-filling nozzles. Development topics in the field of electrically conductive polyacetals are permanently antistatic grades and modifications with nano tubes. Where an attractive appearance must be combined with high functionality, Delrin Decorating Solutions (manufacturer: DuPont) offers new design opportunities for stylists and designers. This is a complete package comprising the polymer Delrin, an etching solution, coating materials and customer support. It allows stylish aesthetic effects of ...
Kunststoffe international, 2005-11-21, Plastic, the All-purpose Material: Function in Form
...st member of the “Hypno Skate Transportation System” (STS) family, called “second generation” or STS II. A polyamide frame (grade: Zytel, manufacturer: DuPont), and a polyacetal (grade: Delrin, manufacturer: DuPont) fastening clip ensure maximum safety, ease of use and durability. The trendy new MiG by Soviets (fun:4u sports & internet GmbH, Troisdorf/Germany; Fig.8), combines the best that skateboards, scooters, inline-skates and kickboards have to offer. To enable it to withstand the extreme s...
Kunststoffe international, 2005-11-21, Polyoxymethylene (Polyacetals, POM)
...Charge" accessory. It cleans the blades automatically in 90 % alcohol, dries the shaver and recharges it if required. The extending base plate, which accepts exchangeable cartridges for the cleaning fluid, consists of a free-flowing polyacetal (Delrin 511 P, manufactured by DuPont). This grade has particularly low warpage and, because of its high resistance to conventional media used for hygiene purposes, very good dimensional stability. This - together with low friction and low wear - ensur...
Kunststoffe international, 2005-11-21, Polyoxymethylene (POM)
...the substitution of metal parts. In France, for example, guide discs of overland cables that were formerly produced from aluminium in a multi-component design, have now been replaced by a one-part construction made of DuPont’s POM, Delrin. This grade of Delrin was used because of its high mechanical strength, its resistance to environmental influences and its outstanding electrical insulation. An interesting market with high growth rates is that of medical technology. For this sector, the specia...
Kunststoffe international, 2005-11-21, Thermoplastic Elastomers (TPE)
...plication for TPE. Veeser Plastic of Konstanz/Germany, for example, uses them to produce sliding switches using the two-component technique for lighters made by Rowenta (Fig.9). The basic frame of the switch which is produced in the polyacetal Delrin, has a non-slip grip surface injected on to it in Ponaflex TPE-S from Pongs & Zahn Plastics AG, Hamburg/Germany. The choice fell on Delrin because of its good sliding properties, its dimensional stability and the ease with which it can be coloured. ...
Kunststoffe international, 2005-11-21, Wear Protection: Use of PVD Coatings in Plasticising Units
...are them with one another directly, since each coating would have been subject to a different temperature. The temperature, together with the shear stress at the surface of the screw, is a significant factor in deposit formation. The POM grade Delrin 500T (manufacturer: DuPont) was used as test material. The processing parameters recommended by the manufacturer are summarized in Table 1. In order to foster deposit formation even when processing small amounts of material, aggressive test conditio...
Kunststoffe international, 2006-09-08, Carrier Film: New Possibilities for Decorating Thanks to 3-D Dye-Sublimation Printing
...he type of material: in polyoxymethylene (POM) it is fairly high with 200 to 300µm. But also polyamides (approx. 100µm) and polyesters (approx. 200µm) provide good results (Figs. 1 and 2). This expands the possibilities for decorating POM (type: Delrin; manufacturer: DuPont) especially, as this material has a low surface energy, so that conventional coatings and inks adhere only poorly. Processes such as flame treatment, priming, plasma treatment or overmoulding with a different resin can be a r...
Kunststoffe international, 2008-10-17, Polyoxymethylene (Polyacetals, POM)
...electrical/electronics – the largest producers of office machines and home appliances have their headquarters there, but the automobile branch is catching up. On the Market since 1956 DuPont put the first polyoxymethylene under the brand name Delrin on the market in 1956. POM is a semi-crystalline thermoplastic polymer processable by injection molding or extrusion. POM copolymers (e.g. Ticona’s Hostaform, BASF’s Ultraform) result from copolymerizing Trioxan with Diox...
Kunststoffe international, 2011-04-25, Chemical Cross-Linking During Fires
...ules. The reason for this is said to be that the network structure suppresses combustion supporting diffusion processes [3]. The chemical basis of the newly developed flame retardant system are components such as polyoxymethylene (homopolymer POM-H, Delrin from DuPont) as well as POM copolymers (POM-A, Hostaform T 1020; POM-B, Hostaform S 9224; POM-C, Hostaform S 9063; POM-D, Hostaform C 27021; from Ticona), phenolic Novolak (these are phenol formaldehyde resins, produced with a formaldehyde to ...
Kunststoffe international, 2011-10-17, Polyoxymethylene (POM)
...typical fields of application are: Industrial applications (11 %), fluid handling (7 %), household appliances (4 %) and Others (14 %). The first polyacetal was brought onto the market more than 50 years ago by DuPont under the trade name Delrin. The most important properties of the highly crystalline, thermoplastic polymer are its high toughness, hardness and rigidity, its resistance to chemicals and its good heat resistance; properties that make POM attractive for a large number of applications...
Kunststoffe international, 2014-01-23, Fluorinated Oils: Going Smoothly
...erties and, as a result, processability. Measurements with a capillary rheometer showed that viscosities were reduced by up to 40 %. For instance, employing 0.5 % Fluoroguard reduced by 20 % the shear viscosity of the polyacetal material Delrin 100P (manufactured by DuPont), when processed at 1,000 s-1 shear rate. However, plastics modified with this additive are in fact suitable to overmold metal inserts, causing no unbonding of interfaces. Better Abrasion Resistance for Surfaces There is a tre...
Kunststoffe international, 2014-10-10, Polyoxymethylene (Polyacetal, POM)
...its consumption, China has now also become the largest producer of POM, followed by Europe, the USA and South Korea.The current market leaders are Celanese Corp., Dallas, Texas/USA (Hostaform, Kematal, Celcon); DuPont AG, Wilmington, Delaware/USA (Delrin); Polyplastics AG, Tokyo, Japan (Duracon), Korea Engineering Plastics Co. Ltd., Seoul, South Korea (Kepital); Mitsubishi Chemicals Inc., Tokyo, Japan (Lupital); and BASF SE, Ludwigshafen, Germany (Ultraform). Other notable producers are Zaklady ...
Kunststoffe international, 2017-11-29, An Attritional Rendezvous
...iding and wear behavior, POM is frequently used as a construction material. This results from the low frictional resistance and the high abrasion, wear, and fatigue resistance of the polyacetal. The major trade names and their manufacturers are: Delrin (DuPont), Hostaform (Celanese), Ultraform (BASF), and Kepital (KEP). By adding PTFE, it is possible to combine its good sliding properties with the high mechanical strength of POM [1].PTFE belongs to the group of semicrystalline thermoplastics and...
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