Grease resistance and mechanical properties of isolated soy protein-coated paper

Hyun Jin Park, Si H. Kim, Seung Taik Lim, Dong H. Shin, Sang Y. Choi, Keum T. Hwang

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

Grease-resistant paper has been produced by coating paper with isolated soy protein (ISP). Tensile strength (TS) of ISP-coated paper is 28-30 MPa (between the TS of paper and of ISP film). TS of the ISP-coated paper (2.3 kg/ream) was highest (36.0 MPa) among other ISP-coated papers, but elongation (E) of the papers seemed to decrease (though not statistically significantly) as the thickness of the ISP coating increased. ISP-coated papers were highly impermeable to grease penetration for the first 2 h of the test. The percent stained area of two commercially used polyethylene-laminated papers was higher than those of ISP-coated papers. As the amount of plasticizer (a mixture of glycerol and polyethylene glycol) was increased in ISP-coated paper, the TS decreased and the E increased. When tested, the percent stained areas of the paper containing 0.6 and 1.0 g plasticizer/g protein were lower for the first 2 h than those of the papers containing 0.0 and 0.2 g plasticizer/g protein. Also, percent stained area increased with time. Grease resistance of papers coated with ISP at levels higher than 2.0 kg/ream was equal to or lower than that of polyethylene laminates used for quick-service restaurant sandwich packaging.

Original languageEnglish
Pages (from-to)269-273
Number of pages5
JournalJAOCS, Journal of the American Oil Chemists' Society
Volume77
Issue number3
Publication statusPublished - 2000 Mar 1

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Soybean Proteins
Lubricating greases
soy protein
mechanical properties
Proteins
Mechanical properties
Tensile Strength
tensile strength
Plasticizers
plasticizers
Tensile strength
Polyethylene
polyethylene
coatings
Polyethylenes
Restaurants
Coating techniques
restaurants
Product Packaging
sandwiches

ASJC Scopus subject areas

  • Food Science
  • Chemistry (miscellaneous)

Cite this

Grease resistance and mechanical properties of isolated soy protein-coated paper. / Park, Hyun Jin; Kim, Si H.; Lim, Seung Taik; Shin, Dong H.; Choi, Sang Y.; Hwang, Keum T.

In: JAOCS, Journal of the American Oil Chemists' Society, Vol. 77, No. 3, 01.03.2000, p. 269-273.

Research output: Contribution to journalArticle

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