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A N D R E A O N G L A O

L E O N A U R E T A

Newspaper with Coir and Aloe

Vera Mucilage to make paper

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Hypotheses

1. The paper made with 100 % newspaper with 15 mL ofaloe vera mucilage would be the most durable. (Paper A)

2. The paper made with 25% coir and 75% newspaper with15 mL of aloe vera mucilage would be the most durable.(Paper B)

3. The paper made with 50% coir and 50% newspaper with15 mL of aloe vera mucilage would be the most durable.(Paper C)

4. The paper made with 75% coir and 25% newspaper with15 mL of aloe vera mucilage would be the most durable.(Paper D)

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Objectives

This research aims to:

1. recycle materials that are commonly

used in the Philippines to help reducetrash, which cause air, water & landpollution

2. use recycled materials in makingpaper that is durable but cheap

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Methodology

A. Materials

1. Old Newspaper 9. Cheesecloth

2. Coconut Coir Fiber 10. Weighing scale

3. Aloe Vera 11. Beaker4. Basin 12. Sodium hydroxide

5. Deckle (NaOH) solution

6. Kitchen Towels 13. Stove7. Blender 14. Thermometer

8. Water 15. Knife

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Methodology

III. Preparing the Coir Fiber

1. Boil the coir fiber for 10 minutes at 98Celsius.

2. The liquor formed after the coir was fullycooked was separated from the cooked coirand discarded.

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Methodology

IV. Papermaking1.Recycled Paper A (100% newspaper): 40 g of

disintegrated newspaper was placed in a basin with 500mL of water for the first batch. This was spread in thedeckle, and then 15 mL of Aloe Vera mucilage was added.This set-up was baked for 10 minutes at 180 C and wasair dried overnight.

2.Recycled Paper B (25% coir -75% newspaper): 10 g ofcoir and 30 g of disintegrated newspaper was placed in a

basin with 500 mL of water for the second batch. Thiswas spread in the deckle, and then 15 mL of Aloe Veramucilage was added. This set-up was baked for 10minutes at 180 C and was air dried overnight.

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Methodology

3.Recycled Paper C (50% coir-50% newspaper): 20 g ofcoir and 20 g of disintegrated newspaper was placed in a

basin with 500 mL of water for the third batch. This wasspread in the deckle, and then 15 mL of Aloe Vera

mucilage was added. This set-up was baked for 10minutes 180 C and was air dried overnight.

4.Recycled Paper B (75% coir-25% newspaper): 30 g ofcoir and 10 g of disintegrated newspaper was placed in a

basin with 500 mL of water for the first batch. This was

spread in the deckle, and then 15 mL of Aloe Veramucilage was added. This set-up was baked for 10minutes 180 C and was air dried overnight.

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Methodology

V. Physical and Analytical TestingFolding Endurance1. The sheet of paper was folded into two equal parts and was

cut into two.2. The piece was folded in the middle and reopened. This was

done 50 times.3. These were given to five judges to rate them from 1-10 (1

denoting the most damage and 10, the least damage)4. Given that this test uses people to rate the papers, the

reliability of the judges was determined using Friedmanns

test. We consulted a statistician for this.5. The mean ranks were computed by same statistician using

Friedmanns test. The highest mean rank is the least damagedpaper and the lowest mean rank is the most damaged paper.

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Methodology

Tearing Strength1. Six samples with a size of 5cmx2cm were cut from each

kind of paper.2. A notch of about 1 cm was cut into each sample to attach

a mass of 125g.3. The sheets were suspended for 5 minutes. Six trials wereconducted.

4. The resulting data was tabulated and analyzed in a table.The paper sample with the lowest mean of the vertical

tear length would be the strongest paper.5. The rank of 4 was assigned to least torn paper and 1

to the most torn paper.

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Presentation of Dataand Results

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Average Rating for Testing the Folding Endurance

0

2

4

6

8

10

12

Paper A Paper B Paper C Paper D

Judge 1Judge 2

Judge 3

Judge 4

Judge 5

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Ranked Rating for Testing the Folding Endurance

0

0.51

1.5

2

2.5

3

3.5

4

4.5

Paper A Paper B Paper C Paper D

Judge 1Judge 2

Judge 3

Judge 4

Judge 5

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Results of the Endurance Test using the Friedmann Test

0

0.51

1.5

2

2.5

3

3.5

4

Paper A Paper B Paper C Paper D

Mean Rank

Mean Rank

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Vertical Tear Length (cm) of the Paper

0

0.2

0.4

0.6

0.8

1

1.2

Paper A Paper B Paper C Paper D

Trial 1

Trial 2

Trial 3

Trial 4

Trial 5

Trial 6

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Mean and Rank of Vertical Tear length of Paper

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

Mean

Paper A

Paper B

Paper C

Paper D

0

0.51

1.5

2

2.5

3

3.5

4

4.5

Rank

Paper A

Paper B

Paper C

Paper D