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            EMAA 0910
            發布日期:2020-01-02     瀏覽量:798



            Description

            Product Description                            Nucrel? 0910 is a copolymer of ethylene and methacrylic acid, made with nominally

            9 wt% methacrylic acid. The resin is available for use in conventional extrusion and coextrusion equipment

             


            Restrictions

            Material Status



             SHAPE  \* MERGEFORMAT

            l Commercial: Active


             


            Typical Characteristics

            Composition



             SHAPE  \* MERGEFORMAT

            8.7 % By Weight Methacrylic Acid comonomer content


             


            Typical Properties

            Physical

            *    Density ()

            *    Melt Flow Rate (190°C/2.16kg)



             SHAPE  \* MERGEFORMAT

            Nominal Values                                               Test Method(s)

            0.93 g/cm3                                                         ASTM D792                  ISO 1183

            10 g/10 min                                                       ASTM D1238                 IS0 1133


             

            Thermal                                     Nominal Values                                               Test Method(s)

            *   Melting Point (DSC)                         100°C (212°F)                                                 ASTM D3418                 ISO 3146

            Freezing Point (DSC)                         82°C (180°F)                                                   ASTM D3418                 ISO 3146

            Vicat Softening Point                            8 1 ° C (178°F)                                  ASTM D1525                                                                                                                                     ISO 306 ()

             

            Processing Information

            General

            *    Maximum Processing Temperature    310°C (590°F)

            General Processing Information         Nucrel? 0910 is normally processed at melt temperatures ranging from 260°-305°C

            (500°-581°F) in flat die equipment. For extrusion coating and laminating, a typical extruder profile is below. Actual processing temperatures will usually be determined by either the specific equipment or substrate or one of the other polymers in a coextrusion.

             

            Materials of construction used in the processing of this resin should be corrosion resistant.  Stainless steels of the types 316, 15-5PH, and 17-4PH are excellent, as  is quality chrome or nickel plating, and in particular duplex chrome plating.  Type 410 stainless steel is satisfactory, but needs to be tempered at a minimum temperature of 600°C (1112°F) to avoid hydrogen-assisted stress corrosion cracking. Alloy steels such as 4140 are borderline in performance.  Carbon steels are not satisfactory. While stainless steels can provide adequate corrosion protection, in some cases severe purging difficulties have been encountered. Nickel plating has been satisfactory, but experiments have shown that chrome surfaces


            have the least adhesion to acid based polymers. In recent years, the quality of chrome plating has been deteriorating due to environmental pressures, and the corrosion protection has not always been adequate. Chrome over top of stainless steel seems to provide the best combination for corrosion protection and ease of purging.

             

            If surface properties of the extruded resin require modification (such as, lower C.o.F. for packaging machine processing), refer to the Conpol? Processing Additive Resins product information guide.

             

            After processing Nucrel, purge the material out using a polyethylene resin, preferably with a lower melt flow rate than the Nucrel resin in use. 

            The "Disco Purge Method" is suggested as the preferred purging method, as this method usually results in a more effective purging process. Information on the Disco Purge Method can be obtained via your DuPont Sales Representative.

             

            Never shut down the extrusion system with Nucrel in the extruder and die. Properly purge out the Nucrel with a polyethylene, and shut down the line with polyethylene or polypropylene in the system.

             

             SHAPE  \* MERGEFORMAT

            Nominal Values

            Extrusion Coating /Lamination Processing


            Extrusion Coating / Lamination Processing


            A suggested extruder set temperature profile.


            Feed Zone                                           185°C (365°F)

            Second Zone                                       235°C (455°F)

            Third Zone                                          260°C (500°F)

            Fourth Zone                                        285°C (545°F)

            Fifth Zone                                            285°C (545°F)

            Adapter Zone                                      285°C (545°F)

            Die Zone                                             285°C (545°F)

             


            FDA Status Information                   Nucrel? 0910 conforms to the Code of Federal Regulations, Title 21, Paragraph

            177.1330 covering its use as a food contact surface subject to the extractives limitations on the finished food contact article as described in the regulation

             

            NUCREL? 0910 complies with Food and Drug Administration Regulation 21 CFR 177.1330(a)   Ionomeric resins, subject to the limitations and requirements therein. 

            This Regulation describes polymers that may be used in contact with food, subject to the finished food-contact article meeting the extractive limitations under the intended conditions of use, as shown in paragraph (c) of the Regulation.

             

            The information and certifications provided herein are based on data we believe to be reliable, to the best of our knowledge. The information and certifications apply only to the specific material designated herein as sold by DuPont and do not apply to use in any process or in combination with any other material. They are provided at the request of and without charge to our customers. Accordingly, DuPont cannot guarantee or warrant such certifications or information and assumes no liability for their use.

             

            Regulatory Information                    For information on regulatory compliance outside of the U.S., consult your local

            DuPont representative.

             

            Safety & Handling                          For information on appropriate Handling & Storage of this polymeric resin, please refer to the Material Safety Data Sheet..

             

            A Product Safety Bulletin, Material Safety Data Sheet, and/or more detailed information on extrusion processing and/or compounding of this polymeric resin for specific applications are available from your DuPont Packaging and Industrial Polymers representative.


            Read and Understand the Material Safety Data Sheet (MSDS) before using this product

             

             

            Regional Centres

            DuPont operates in more than 70 countries. For help finding a local representative, please contact one of the following regional customer contact centers:

             

            Americas                                                          Asia Pacific                                             Europe / Middle East / Africa

             


            DuPont Company

            Chestnut Run Plaza – Bldg. 730 974 Centre Road

            Wilmington, Delaware 19805 U.S.A.

            Toll-Free (USA): 1-800-628-6208

            Telephone:     1-302-774-1000

            Fax:      1-302-355-4013


            DuPont China Holding Co., Ltd. Shanghai Branch

            399 Keyuan Road, Bldg. 11 Zhangjiang Hi-Tech Park Pudong New District, Shanghai

            P.R. China (Postcode: 201203) Telephone +86 21 3862 2888 Fax +86-21-3862-2889


            DuPont de Nemours Int’1. S.A. 2,Chemin du Pavillon Box 50 CH-1218 Le Grand Saconnex Geneva, Switzerland Telephone +41 22 717 51 11

            Fax +41 22 717 55 00


             

            DuPont do Brasil, S.A. Alameda Itapecuru, 506 06454-080 Barueri, SP Brasil Telephone: +55 11 4166 8000

            Fax: +55 11 4166 8736

             

            http://nucrel.dupont.com

             

             


            The data listed here fall within the normal range of properties, but they should not be used to establish specification limits nor used alone as the basis of design. The DuPont Company assumes no obligations or liability for any advice furnished or for any results obtained with respect to this information. All such advice is  given  and accepted at the buyer's risk. The disclosure of  information  herein is not a licence to operate under, or a recommendation to infringe, any patent of DuPont or others. Since DuPont cannot anticipate all variations in actual end-use conditions, DuPont makes no warranties and assumes no liability in connection with any use of this information.


            CAUTION: Do not use DuPont materials in medical applications involving implantations in the human body or contact with internal body fluids or tissues unless the material has been provided from DuPont under a written contract that is consistent with DuPont policy regarding medicalk applications and expressly acknowledges the contemplated use. For further information, please contact your  DuPont  representative. You may also request a copy of DuPont POLICY Regarding Medical Applications H-50103-3 and DuPont CAUTION Regarding Medical Applications H-50102-3.

             

            Copyright © 2009 DuPont. The DuPont Oval Logo, DuPont?, The 
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