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Which Diaper Absorbs More?

Which Diaper Absorbs More?. Caitlyn Connelly. Research. A polymer is many molecules strung together to make long chains. Polymers enhance absorbency. There are two types of polymers in Pampers diapers. They are polyethylene and polypropylene.

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Which Diaper Absorbs More?

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  1. Which Diaper Absorbs More? Caitlyn Connelly

  2. Research • A polymer is many molecules strung together to make long chains. • Polymers enhance absorbency. • There are two types of polymers in Pampers diapers. • They are polyethylene and polypropylene. • Huggies contains the polymers: polyacrylate, polypropylene, polyester, and polyethylene.

  3. Vocabulary • Absorb – verb; to suck up. • Polymer – noun; many molecules strung together to make long chains. • Molecule – noun; the smallest particle of a substance that retains all the properties of the substance and is composed of one or more atoms

  4. Variables Independent variable – different brands of diapers Dependent variable – amount of water absorbed

  5. Purpose The purpose of this experiment was to determine which diaper absorbs more water. I wanted to know this because my aunt is pregnant and I wanted to help her out by knowing which diaper absorbs more.

  6. Hypothesis If Huggies has more polymers than Pampers then it absorbs more water.

  7. Materials • 1 Scale • 5 Huggies diapers • 5 Pampers diapers • Syringe • 6 Drops of food dye • Water • 2 Glasses

  8. Set Up • First, take two glasses and fill them with water. • Then, add six drops of food dye to each glass. • Make sure your diapers are all the same size.

  9. Procedure • First weigh the diaper and record the weight. • Using a syringe add colored water to the diaper until it can’t absorb anymore. • After the diaper reaches its maximum absorption, dispose of the extra water the diaper didn’t absorb. • Then, weigh the diaper again and record the weight. • Next, subtract the second weight from the first weight to determine how much water the diaper absorbed. • Record the difference. • Repeat steps 1-6 for nine more diapers. *Note: You can refill the glasses as many times as needed or use more glasses.

  10. Huggies Data Collection

  11. Pampers Data Collection

  12. Amount of Water Absorbed Trials

  13. Average Amount of Water Absorbed Brands of Diapers

  14. Analysis • I noticed in the Pampers brand that the thin netting on the inside seemed to have beads of water laying on it. • Huggies had the same thickness of material on the inside as it did the outside. Also it did not have the waffle appearance on the inside like pampers did. • I also noticed that Huggies was larger then Pampers, although they were the same size. • I also ripped open the insides of both diapers to examine the materials used inside, they both looked the same.

  15. Conclusion Huggies absorbed more water then Pampers, this is because it had more polymers than the other brand. Huggies absorbs on average 312 more milliliters than Pampers. My hypothesis therefore was correct.

  16. Weaknesses and Improvements • I could have used more types of diapers. • I could have did more trials with each type of diaper. • I should have measured the length and width of each diaper

  17. Future Studies In the future I want to discover if the netting in the Pampers had any effect on the absorbency of the diapers. I would also like to explore the different brands of diapers and compare their different absorbencies.

  18. Sources “Absorb.” 9 May 2009 <http://www.meriam-webster.com/dictionary/absorb>. “Absorbency.” 9 May 2009 <http://www.meriam-webster.com/dictionary/absorbency>. “Absorbent.” 9 May 2009 <http://www.meriam-webster.com/dictionary/absorbent>. “Absorber.” 9 May 2009 <http://dictionary.reference.com/browse/absorber?gsrc=2446>.

  19. Sources Anderson, Dr. David. “Baby Diaper Polymer.” 24 April 2009 <http://www.coolscience.org/coolscience/kidScientists/babydiaper.htm>. “Can You Tell Me More About Diapers for a Student Project?” 28 April 2009 <http://babycare.custhelp.com/cgi-bin/babycare.cfg/php/enduser/popup_adp.php?p_sid=KmTmNuwj&p_lva=&p_li=&p_faqid=9433&p_created=1202310151&p_sp=cF9zcmNoPTEmcF9zb3J0x2J5PSZwx2dyaWRzb3J0PSZwx3Jvd19jbnQ9MTUzLDE1MyZwX3Byb2RzPTY2JnBfy2F0cz0wJnBfcHy9MS42NiZwx2N2PSZwX3Bhz2U9MQ**>.

  20. Sources “Colloid.” 25 May 2009 <http://www.dictionary.reference.com/browse/colloid>. “Gel.” 20 April 2009 <http://www.askoxford.com/concise_oed/gel_1?view:get>.  Grassino, Susana. “Gel: A Short Word With a Long Meaning.” 9 April 2009 <http://pslc.ws/macrogllgel.htm>.

  21. Sources “Huggies Products FAQS.” 29 April 2009 <http://www.huggieshappybaby.com/products/index.aspx?faqs&_nc=633765409990802447&_nockcheck=true>. “Molecule” 19 November 2009 <http://www.merriam-webster.com/dictionary/molecule>. “What is a Polymer?” 27 April 2009 <http://pslc.ws.macrogl/kidsmac/basics.1>.

  22. Sources “What is the Grainygel like Stuff in Diapers?” 12 May 2009 <http://babycare.custhelp.com/cgi_bin/babycare.cfglphplenduser/stdadp.php?p faqid=2198&p created=1044986207&p sid=Qpw1 Exj&p accessibility=0&p redirect=&p lva=&p sp=cF9zcmNoPTEmc3Jvd19jbnQ9MjkmcF9wcm9Kcz0mcF9jYXRZPTEyMiZwX3B2PSZwX2NPTEuMTlyJnBfcGFnZT0x&p li=&p topview=1>.

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