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EMAA 0910
发布日期:2020-01-02     浏览量:941



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.

 

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