The microscopic investigation of damages caused by compounding the decoction craft liquid on long fiber of pinaceae of hand implanted trees in north of Iran

Alkaline decoction liquid affects the long fiber of pinaceae, so that we can achieve the best formulation for producing the high quality paper dough by microscopic observing & investigating of the rate of damages on long fibers.There are 10 well known and fruitful species for producing the craft paper, in this study pinus nigra Arnold & pinus eldarica were chosen coincidentally.For preparing the chips of the two A/M samples the anatomic specifications of spring wood & summer woods,were considered, because the long fiber has the great part in anatomic field on this condition. The perecentage of lignin is also less than the amount in ending texture & the texture near the cuticle.Removing lignin is the main step in preparing paper dough process.‎So the most transparent & stable paper by improving this step can be achieved.