Utilization of chicken eggshells as an alternative material for sintra board/ Angel Iyanla P. Bumanglag, Sandra Mae G. De Serra, Vanessa Unice T. Gonzales, Kyle Angelo B. Languayan, and Jenina Franchezka F. Lardizabal.--

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Bumanglag, Angel Iyanla P [author]

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Material type: Text

TextPublication details: Manila: Technological University of the Philippines, 2025.Description: xi, 91pages: 29cmContent type:

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BTH TP 949 B86 2025

Dissertation note: College of Industrial Technology.-- Bachelor of technology major in print media technology: Technological University of the Philippines, 2025. Summary: The project study, “Utilization of Chicken eggshell as an Alternative Material for Sintra board”, aims to produce chicken eggshell based boards that can become a substitute to the typical Sintra board. The use of chicken eggshells as an innovative & eco-friendly alternative to PVC can help reduce excessive plastic usage in the printing industry. Chicken eggshells can be widely found in the Philippines; in this regard, the eggshells used in this study were collected within Metro Manila and Cavite. The eggshells were gathered and processed in stages, including washing, sun drying, crushing, grinding, sifting, powderizing, mixing, molding, curing, and sanding. Epoxy resin and cornstarch were used as the primary binding agents and microsphere as additive to make the board lightweight. Three different formulations of the eggshell-based Sintra board were produced, each measuring 8.3" x 11.7" (A4 size) with a thickness of 3 millimeters. The formulations underwent ASTM standard tests to evaluate the quality of the material. Formulation A (FA), composed of Eggshell (35%), Epoxy Resin (50%), Cornstarch (5%), and Microsphere (10%), received the highest ratings in terms of tensile strength, flexural strength, peel adhesion, chemical resistance, and performance in the thermal expansion test. The same formulation demonstrated quality performance in sticker application and UV printing, and was presented to the survey respondents as a finished product for evaluation. The project was evaluated by 35 respondents composed of PMT students and PMT professors of the Technological University of the Philippines and printing professionals that are within Metro Manila. The project study was rated with an overall mean of 4.65 with a descriptive rating of “Highly Acceptable.” This study succeeded to produce a standard and performance-tested chicken eggshell based Sintra board as an eco-friendly alternative to common Sintra board, contributing to the ongoing search for environmentally friendly materials in the printing industry.

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Item type	Current library	Shelving location	Call number	Copy number	Status	Date due	Barcode
Bachelor's Thesis CIT	TUP Manila Library	Thesis Section-2nd floor	BTH TP 949 B86 2025 (Browse shelf(Opens below))	c.1	Not for loan		BTH0006596

Bachelor's thesis

College of Industrial Technology.-- Bachelor of technology major in print media technology: Technological University of the Philippines,
2025.

Includes bibliographic references and index.

The project study, “Utilization of Chicken eggshell as an Alternative Material for Sintra
board”, aims to produce chicken eggshell based boards that can become a substitute to
the typical Sintra board. The use of chicken eggshells as an innovative & eco-friendly
alternative to PVC can help reduce excessive plastic usage in the printing industry.
Chicken eggshells can be widely found in the Philippines; in this regard, the eggshells
used in this study were collected within Metro Manila and Cavite. The eggshells were
gathered and processed in stages, including washing, sun drying, crushing, grinding,
sifting, powderizing, mixing, molding, curing, and sanding. Epoxy resin and cornstarch
were used as the primary binding agents and microsphere as additive to make the board
lightweight. Three different formulations of the eggshell-based Sintra board were
produced, each measuring 8.3" x 11.7" (A4 size) with a thickness of 3 millimeters. The
formulations underwent ASTM standard tests to evaluate the quality of the material.
Formulation A (FA), composed of Eggshell (35%), Epoxy Resin (50%), Cornstarch (5%),
and Microsphere (10%), received the highest ratings in terms of tensile strength, flexural
strength, peel adhesion, chemical resistance, and performance in the thermal expansion
test. The same formulation demonstrated quality performance in sticker application and
UV printing, and was presented to the survey respondents as a finished product for
evaluation. The project was evaluated by 35 respondents composed of PMT students and
PMT professors of the Technological University of the Philippines and printing
professionals that are within Metro Manila. The project study was rated with an overall
mean of 4.65 with a descriptive rating of “Highly Acceptable.” This study succeeded to
produce a standard and performance-tested chicken eggshell based Sintra board as an
eco-friendly alternative to common Sintra board, contributing to the ongoing search for
environmentally friendly materials in the printing industry.

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