# ADCOTETM 577A/577C

Laminating Adhesive

Description Adcote 577A is the isocyanate-terminated polyester urethane component of a two-component adhesive system that requires the use of Coreactant Adcote 577C to achieve full properties.

Adcote 577A/577C adhesive provides high bond strength and a high level of heat and chemical resistance.

Adcote 577A/577C exhibits high initial shear strength that helps mitigate laminate defects.

The cure rate of laminations made with Adcote 577A/577C adhesive is dependent on the temperature and relative humidity of the storage or holding area.

Typical Properties*
Adcote 577A Adcote 577C

Solids 70% 70% Viscosity 2500 cps 80 cps Weight/Gallon 9.2 lb 8.8 lb Solvent Ethyl Acetate Ethyl Acetate/Ethyl alcohol

Diluents Urethane Grade Ethyl Acetate, MEK Mix Ratio 100 pbw 4.1 pbw Shelf Life 360 days 360 days (unopened containers stored in cool, dry place)

*These items are provided for general information only. They are approximate values and are not considered part of a product specification.

Typical Uses Adcote 577A/577C can be used in all typical laminations for laminating aluminum foil and a variety of polyester, polyolefin and coextruded films typically used in food, medical and industrial packaging applications. Adcote 577A/577C can be used in retortable structures to laminate polyester to foil or nylon to foil. The adhesive layer must be separated from the food product by a functional barrier. Consult your Rohm and Haas technical sales representative for suggestions regarding the inner ply, i.e., the foil/cast polypropylene component.

Mixing Instructions Add the proper amount of Adcote 577C coreactant to the to the Adcote 577A adhesive. Mix thoroughly until well dispersed.

Adcote 577A/577C January 2011 Page 1 of 5 

# PACKAGING AND

CONVERTINGSafety, Handling and Storage

 Store in cool, dry, well-ventilated area away fr om heat and ignition sources. Keep container tightly

closed.

 Hot organic chemical vapors can suddenly and without warning combust when mixed with air. Ignition can occur at typical elevated temperat ure process conditions. Please evaluate such processes to assure safe handling conditions.

 Support and ground containers before opening, dispen sing, mixing, pouring, or emptying. Open with non-sparking tools. If container is warm, open bun g slowly to release the internal pressure.

 Wash thoroughly after handling. Wash contaminated goggles, face shield, and gloves. Professionally launder contaminated clothing before re-use.

 ATTENTION! Container can be hazardous when em pty. Follow label warnings even after container is empty. Do not use heat, sparks, open flames, to rches, or cigarettes on or near empty containers. Do not reuse empty container wi thout professional cleaning.

 Refer to Material Safety Data Sheet for more information.

Alcohol (except for the small amount contained in Adcote 577C) and similar materials containing active hydrogen can react with Adcote 577 A adhesive causing inadequate cure.

Adcote 577A can react or interact with other component s of laminations. Retained solvents, slip additives, antiblock agents, and contaminated solvents are some of the components that may cause property changes

of the film and/or adhesive.

Recommended Application Conditions Applica tion Method Direct gravure Application Cylinder 110 - 150 line Application Solids 35 - 40% Dry Adhesive Weight 1.5 - 3.5 lb/ream Drying Web Temperature 150 - 180  F Laminating Temperature 150 - 220  F

Cure Time 3 - 5 days at 70  F Slitting/Rewinding Time 4 - 8 hours at 70  F Cleaning Solvent Methyl Ethyl Ketone or Ethyl Acetate

Adcote 577A/577C January 2011 Page 2 of 5

### A dcote 577A / 577C

0 20 40 60 80 100 120 140

25 30 35 40 45

Per Cent SolidsBrookfield Viscosity

Adcote is a registered trademark of Rohm and Haas Company.

These suggestions and data are based on information we believe to be reliable. They are offered in good faith, but without gua ra ntee, as conditions and method of use of our products are beyond our control. We recommend that the prospective user determine the suit ability of our materials and suggestions before adopting them on a commercial scale.

Suggestions for uses of our products or the inclusion of descriptive material from patents and the citation of specific patents in this publication should not be understood as recommending the use of our products in violation of any patent or as permission or lic ense to use any patents of the Rohm and Haas Company.

Visit us at http://www.rohmhaas.com/AdhesivesSealants Rohm and Haas Company, Midwest Technical Center, 2531 Technology Drive, Suite 301, Elgin, IL 60124

Phone: 847-649-3800 Fax: 847-649-3760

Adcote 577A/577C January 2011 Page 3 of 5

# Rohm and Haas Food and Drug Opinion

Name: ADCOTE(TM) 577A



### Regulation Complies 

### Opinion

Date Limitations

21CFR175.105 Y 05/03/2007

21CFR177.1395 L 05/03/2007 ▪ The combination of ADCOTE(TM) 577A and Adcote 577B, when

used in a ratio of 100:6.4 and cu red for three days at room temperature at 1.7 pounds per r eam, may be used as an adhesive layer in multilaminate food packaging materials with all food types provided that the adhesive layer is separated from food by a 2 mil linear low density polyethylene film (or equivalent or better barrier properties) in compliance with the Federal Food, Drug, and

Cosmetic Act.

21CFR177.1395 A 03/24/2008 ▪ The combination of ADCOTE(TM) 577A and Adcote 577C, when

used in a ratio of 100:4.1 at 1. 75 pounds per ream and cured for three days at 40C, may be used as an adhesive layer in multilaminate food packaging materials with aqueous food types provided that the adhesive layer is separated from food by a 2 mil linear low density polyethylene film (or equivalent or better barrier properties) in compliance with the Federal Food, Drug, and

Cosmetic Act.

▪ The combination of ADCOTE(TM) 577A and ADCOTE 577C, when

used in a ratio of 100:4.1 at 1. 7 pounds per ream and cured for seven days at room temperature, may be used as an adhesive layer in multilaminate food packaging materials with aqueous food types provided that the adhesive layer is separated from food by a 2 mil linear low density polyethylene film (or equivalent or better barrier properties) in compliance with the Federal Food, Drug, and

Cosmetic Act.



### Legend:

L Yes, this product is cleared with limitations noted

N No, this product is not cleared

Y Yes, this product is cleared.

A Affirmed as compliant based on migration studies.



### Regulations:

21CFR175.105 Adhesives
21CFR177.1395 Laminate structures for use at temperatures between 120F and 250F
21CFR177.1395 Laminate structures for use at temperatures between 120F and 250F

Disclaimer: This information relates specifically to this product. We believe this information to be accurate and

reliable as of this date.

We recommend that our customers make their own determination on the suitability of this product for their particular application. We cannot guarantee that the indirect food addi tives/food-contact status of this product will remain unchanged indefinitely; therefore we recommend that you periodically verify its status.

Adcote 577A/577C January 2011 Page 4 of 5

### Name: ADCOTE(TM) 577C



### Regulation Complies 

### Opinion

Date Limitations

21CFR175.105 L 12/04/2006 ▪ SOLVENT MUST BE COMPLETELY EVAPORATED DURING

DRYING AND CURING.

21CFR177.1395 A 03/24/2008 ▪ The combination of Adcote 577A and ADCOTE(TM) 577C, when

used in a ratio of 100:4.1 at 1. 75 pounds per ream and cured for three days at 40C, may be used as an adhesive layer in multilaminate food packaging materials with aqueous food types provided that the adhesive layer is separated from food by a 2 mil linear low density polyethylene film (or equivalent or better barrier properties) in compliance with the Federal Food, Drug, and

Cosmetic Act.

▪ The combination of ADCOTE 577A and ADCOTE(TM) 577C, when

used in a ratio of 100:4.1 at 1. 7 pounds per ream and cured for seven days at room temperature, may be used as an adhesive layer in multilaminate food packaging materials with aqueous food types provided that the adhesive layer is separated from food by a 2 mil linear low density polyethylene film (or equivalent or better barrier properties) in compliance with the Federal Food, Drug, and

Cosmetic Act.



### Legend:

L Yes, this product is cleared with limitations noted

N No, this product is not cleared

Y Yes, this product is cleared.

A Affirmed as compliant based on migration studies.



### Regulations:

21CFR175.105 Adhesives
21CFR177.1395 Laminate structures for use at temperatures between 120F and 250F

Disclaimer: This information relates specifically to this product. We believe this information to be accurate and

reliable as of this date.

We recommend that our customers make their own determination on the suitability of this product for their particular application. We cannot guarantee that the indirect food addi tives/food-contact status of this product will remain unchanged indefinitely; therefore we recommend that you periodically verify its status.

Adcote 577A/577C January 2011 Page 5 of 5