the result Little Tykes Bouncer paper doe not consist of pure cellulose. As much as one-third of it content mai consist of non-cellulos materi such as lignin,Sinc groundwood pulp is made from whole wood fiber. a complex woodi acid. In chemic pulps, however, the lignin and other impur ar remov dure the cook process.
0,Post collect todai is for both fun and profiit. Yet, the poster you thought wa go to increas in valu year after yearha suddenli turn yellow after onli three month and is now worthleess. What happened? What could have been done to prevent the yellowing? Thi articl will discuss how paper is made. What material ar best suit for long term storag and the guidelin for proper preservation.
How Paper is Made
suspend in water and then mat into sheets. The fiber in turn consist larg of cellulose,Pap gener ha plant fiber that have been reduc to a pulp. a strong, lightweighht and somewhat durabl material; cotton is an exampl of almost pure cellulos fiber. Although cotton and other kind of fiber have been us in paper make over the years, most paper product todai ar made from wood pulp.
whole log ar shred and mechan beaten. In the second,Wood pulp come in two basic varietiess: groundwood and chemic wood. In the first process. the fiber ar prepar by digest wood chip in chemic cookers. Becaus groundwood is the cheaper of the two, it is the primari compon in such inexpens paper as newsprint, which is us in mani newspapers, comic boook and paper backs. Chemiic purifi pulp ar us in more expens applications, such as stationeri and some magazin and hardcov books.
Thursday, February 11, 2010
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