抄録
In the paper manufacturing, the qualities, thickness, and width of cut of the papers from which the yarn is made, have been determined from the manufacturers' experiences.
In the present experiment the following two problems had been examined by the use of two kinds of paper of different thickness (102.09 and 122.51g/m2)
(1) Relation between the number of twists and the properties of yarns of 12_??_9 and 7′S
(2) Relation between thickness of the papers and effects obtained by the treatment of acid colloidal resin.
And the following results have been obtained.
(i) Strength and strength per unit area of two kinds of raw paper were Pa, pa; Pb, pb. Pa=pa×A, Pb=pb×B
However the sectional area A=B and pa=pb Therefore Pa=Pb
And when these two kinds of raw paper are twisted respectively, strength of the thinner raw paper is stronger, because of its higher adhesiveness.
(ii) No significant difference is observed in the effect of resin treatment.
