Volume 15, Number 1 (1969)

Original Articles

Gen-ichi NAKAMURA
Some Experiments on Cutting Torque and Feed Force in Circular Sawing     1

Masao KAWAGUCHI
A Fourier Analysis of Growth Ring Photo-Electric Analysis Curves     6

Shunsuke OKUSHIMA, Hikoichi SUGIHARA
Temperature Distribution of Circular Saw Blade Measurement with Infrared Radiometric Microscope     11

Nobuo SHIRAISHI, Yutaka ISHIMARU, Kanji NAKATO, Tokuo YOKOTA
Adsorption of Polymer on Wood Taking Account of Sorption of solvent. I. The New Determination Procedure for Amount of Solvent Sorbed     20

Nobuo SHIRAISHI, Yutaka ISHIMARU, Kanji NAKATO, Tokuo YOKOTA
Adsorption of Polymer on Wood Taking Account of Sorption of Solvent. II. The Adsorption Value 0L Polymer on Porous Adsorbent Taking Account of Sorption of Solvent     24

Takeshi SADOH
Studies of the Plasticization of Wood. I. Plasticization of Wood with Tetraethylene Pentamine     29

Motoo MATSUKURA, Akira SAKAKIBARA
On the Heterogeneous Distribution of Chemical Structure in Lignin     35

Notes

Motoaki OKUMA
On the Supporting Conditions at the Edges in Bending of Wood and Wood-based Materials     40

Motoo MATSUKURA, Akira SAKAKIBARA
Effect of the Ethanolysis Conditions on the Yields of Hibbert’s Monomers from Lignin     43

Short Communications

Bunichiro TOMITA, Yoshiyuki HIROSE, Tomoichiro NAKATSUKA
Terpenoids. XIX. New Constituents of Biota orientalis     46

Bunichiro TOMITA, Yoshiyuki HIROSE, Tomoichiro NAKATSUKA
Terpenoids. XX. New Constituents of Biota orientalis     47

Bunichiro TOMITA, Yoshiyuki HIROSE, Tomoichiro NAKATSUKA
Terpenoids. XXI. New Sesquiterpene Hydrocarbons from the Wood of Juniperus rigida     48

Abstracts

Book Review

Proceedings of the Society     49


Volume 15, Number 2 (1969)

Original Articles

Shinsuke FUJITA
Studies on the Drying Check. V. Some Behavior of the Change of Tensile Load during Drying     51

Misato NORIMOTO, Tadashi YAMADA
The Dielectric Properties of Wood. I. Effect of Moisture Content on Dielectric Properties of Wood at Wave Length 3. 2cm     56

Takeshi OKANO, Tatsuro SATO, Shinji HIRAI
A Study on the Distribution of the Mean Micell Angle in the Trunk of Akamatsu Wood and Karamatsu Wood     62

Syoji SUDO
Variation in Tracheid Length in AKAMATSU (Pinus Densiflora SIEB et ZUCC.) from a Stand in Tohoku District. V. Relation between Tracheid Length of Juvenile and Adult Wood     67

Hiroyuki URAKAMI, Manjiro FUKUYAMA
Stress Relaxation of Wood in Bending and in Torsion during Adsorption of Water Vapor     71

Bunichiro TOMITA, Yoshiyuki HIROSE, Tomoichiro NAKATSUKA
Terpenoids. XXII. Chemotaxonomy of the Cupressaceae (1) The Composition of the Essential Oil from the Wood of Thuja koraiensis NAKAI     76

Cheng Tzu LIU, Tomoichiro NAKATSUKA
Resorcinol Resin. I. Influence of Solvent upon the Velocity of Uncatalyzecl Resorcinol-Formaldehyde Reaction     79

Short Communications

Akira SAKAKIBARA, Michikazu OHTA, Isao WADA, Motoo MATSUKURA
Hydrogenolysis of Protolignin     84

Abstracts

Proceedings of the Society     86


Volume 15, Number 3 (1969)

Original Articles

Shigeru KITAYAMA, Hikoichi SUGIHARA
On Noise Analysis of Single Surface Planer     87

Minoru MORI
An Analysis of Cutting Work in Peripheral Milling of Wood. I. On the Work Done by a Knife in Up-Milling Parallel to Wood Grain     93

Shinsuke FUJITA
Studies on the Drying Check. VI. Microscopic Observation of Drying Check occurred under Restrained Drying     99

Takeshi FURUNO, Hiroshi SAIKI, Hiroshi HARADA
Ultrastructural Feature of Compression Wood Tracheids Stressed to Tensile Failure     104

Yoji KIKATA
Studies on Strength Reducing Factors of Lumber I. Wane     109

Kazumasa SHIMIZU, Fumiyuki TERATANI, Kango MIYAZAKI
Effect of the Thermal Treatment on Wood Hemicelluloses. III. Kinetic Examination of the pyrolysis of Xylan     114

Masato TAMAO, Noritsugu TERASHIMA
Chemical Structure of Kraft Lignin. I. Formation of 5-Substitutecl Guaiacyl Structures in Sulfate Cooking     120

Kinji SHIMADA
Studies on the Pitch Trouble of Tropical Wood Pulp. I. Extractives of Bangkirai (Shorea laevis) and Keruing (Dipterocarpus sp.) Remained in Sulphate Pulp and Their Influence in Bleaching     126

Abstracts

Proceedings of the Society     132


Volume 15, Number 4 (1969)

Original Articles

Akira TAKAHASHI, Teruo GOTO
Strain Determination of Wood by Using Photoelastic Coating Technique. XII. Effects of Veneer Thickness on the Strain Distribution and the Strength Properties of Plywood Beam Applied to Bending     133

Akira TAKAHASHI, Shinsuke FUJITA
Dependence of Specific Gravity on Absorbed Energy of Impact Bending in Tropical Woods     140

Daikuro HAYASHI, Toshiro TOCHIGI, Koji EGUCHI
Effects of Micro-Sharpning of Knives in Veneer Cutting     146

Kakuichi KITAHARA, Wu Tsai PERNG
On the Viscoelastic Property of Hardboard     154

Takanori ARIMA
Studies on Rheological Behavior of Wood under Hot Pressing. I. Effects of Temperature of Platen and Pressing Load on Deformation under Hot Pressing     160

Ryozo HAMADA, Shoichi IKEDA, Yoshio SATAKE
Utilization of Wood Bark for Plywood Adhesive. I. Effect of Addition of Bark of Acacia Mollissima on the Properties of Phenol Formaldehyde Resin     165

Ryozo HAMADA, Shoichi IKEDA, Yoshio SATAKE
Utilization of Wood Bark for Plywood Adhesive. II. On the Properties of Bark of Acacia Mollissilna as an Extender of Urea Formaldehyde Resin     171

Jiro KAWAMURA
Curing Trouble of Unsaturated Polyester Resin Varnish on Kapur (Dryobalanops sp.)     176

Tadanori FUKUDA, Isamu MORI, Noritsugu TERASHIMA, Takashi KANDA
Studies on the Enzyme in Cambial Zone. II. Seasonal Changes in the Activities of Phenylalanine Ammonialyase and Peroxidase, Rate of Growth and Rate of Lignification     182

Abstracts

Proceedings of the Society     188


Volume 15, Number 5 (1969)

Original Articles

Yoji KIKATA
Studies on Strength Reducing Factor of Lumber. II. Slope of Grain     191

Shunsuke OKUSHIMA, Hikoichi SUGIHARA, Minoru UMEMOTO
Temperature of Cutter-Cusp in Wood Cutting     197

Wu-Rong PERNG, Toshio TAJIMA
Influence of Drying on Chemical Properties of Wood. I. Effect of Drying on Chemical Composition of Wood     203

Sadakichi KISHIMOTO, Koyo KITSUDA
Functional Group and Free Radical on Inner Surface of Charcoal     208

Isao WADA, Akira SAKAKIBARA
Hydrogenolysis of Protolignin. I. Hydrogenolysis Products under Various Reaction Conditions     214

Isao WADA, Michikazu OHTA, Akira SAKAKIBARA
Hydrogenolysis of Protolignin. II. Isolation of Some Hydrogenolysis Products     218

Shinsaku KAWACHI, Hitoshi TAKEI
Studies on Chlorination and Alkali-Extraction of Lignins. II. Solubilization of Dioxane Lignin on Chlorination and Alkali-Extraction     222

Shinsaku KAWACHI, Hitoshi TAKEI
Studies on Chlorination and Alkali-Extraction of Lignins. III. Moisture Absorption Properties of Chlorinated Dioxane Lignins     228

Abstracts

Proceedings of the Society     235


Volume 15, Number 6 (1969)

Original Articles

Yoji KIKATA, Katsunori MASUDA
Wettability of Wood     237

Shoji SUDO
Variation in Tracheid Length in AKAMATSU (Pinus densiflora SIEB. et ZUCC.) from a Stand in Tohoku District. VI. Relation between Tracheid Length and Growth     241

Michikazu OHTA, Akira SAKAKIBARA
Hydrogenolysis of Protolignin. III. Isolation of Diguaiacylpropanol, and Chromatographic Detection of Some Monomers     247

Chen Tzu LIU, Tomoichiro NAKATSUKA
Resorcinol Resin. II. The Velocity of Catalyzed Resorcinol-Formaldehyde Reaction”     251

Akira YAMAGUCHI, Tadakazu HIROI, Makoto MIYAZAKI
Studies on Lignin. VIII. Part 1. Syntheses of Some New p-Hydroxy Phenylpropane Monomer Alcohols     256

Akira YAMAGUCHI, Tadakazu HIROI, Makoto MIYAZAKI
Studies on Lignin. VIII. Part 2. Syntheses of Some New Syringyl Propane Monomer Alcohols     262

Notes

Fumiyuki TERATANI, Kazumasa SHIMIZU, Kango MIYAZAKI
Purification of Arabinogalactan from Japanese Larch     266

Abstracts

Proceedings of the Society     270


Volume 15, Number 7 (1969)

Original Articles

Shinsuke FUJITA, Akira TAKAHASHI
Rheological Properties of Tropical Wood. II. On the Histological Effects in Mechanical Properties of Tropical Wood Applied to Stress and Temperature during Drying     271

Masaharu SUZUKI
Relation between YOUNG’S Modulus and the Cell Wall Structures of SUGI (Cryptomeria japonica D. Don.)     278

Yoji KIKATA
Studies on Strength Reducing Factor of Lumber. III. Initial Curvature     285

Junzo NAKANO, Yukio OKAMOTO, Tsung Fang LEE, Saisei MIYAO
Studies on Polysulfide Cooking. VI. Rapid Vapor-Phase Cooking     291

Motoo MATSUKURA, Akira SAKAKIBARA
Hydrogenolysis of Protolignin. IV. Isolation of a Dimeric Material of “Condensed Type”     297

Fusako ABE
Studies on the Thermal Properties of Wood and Woody Materials. II. Dynamic Thermal Analyses of Oxycellulose     303

Short Communications

Daikuro HAYASHI, Toshiro TOCHIGI
Veneer Cutting with Jet Air Pressure (I)     308

Research Materials

Abstracts

Proceedings of the Society     318


Volume 15, Number 8 (1969)

Original Articles

Masami FUSHITANI
Effect of Acetylating Treatment on Temperature Dependence of Stress Relaxation of Wood in Water-saturated Condition     319

Wu-Rong PERNG, Toshio TAJIMA
Influence of Drying on Chemical Properties of Wood. II. Effect of Wood-Drying on Pulps Prepared from Different Anatomical Features of Wood (Early Wood-Late Wood, Core Wood-Outerer Wood)     325

Koichi OGIYAMA, Tamio KONDO
On the Pinoresinol type of Structural Units in Lignin Molecules. V. Acid-or Alkaline-Treatment of Pinoresinol Structures     331

Bunichiro TOMITA, Yoshiyuki HIROSE
Terpenoids. XXIII. Chemotaxonomy of the Cupressaceae (2) Sesquiterpenes in the Wood of Biota orientalis ENDL.     339

Bunichiro TOMITA, Masamichi HAYASHI, Yoshiyuki HIROSE
Terpenoids XXIV. Chemotaxonomy of the Cupressaceae (3) Sesquiterpene Hydrocarbons in the Wood of Juniperus rigida SIEB. et ZUCC.     341

Short Communications

Takuma YANAGAWA, Yoshiyuki HIROSE
Terpenoids XXV. New Diterpene Aldehyde from the Wood of Juniperus rigida     344

Research Materials

Proceedings of the Society     352