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About Herald and news. (Klamath Falls, Or.) 1942-current | View Entire Issue (April 19, 1959)
SUNDAY, APRIL 19, 1959 HERALD AND NEWS, KLAMATH FALLS, OREC.ON PACE SEVEN Tree Bark. Now Burned At Mills, May Be Source Of New Forest Industry The huge amounts of tree bark now burned at mills may become raw material ot a new industry to make boards for construction as a result of work at Oregon's ruresi nesearcn center in Cor vallis, according to John B. Gran. thain, director of forest products siuuies Work by C. H. Burrows has shown bark particles will bind to getlier under heat and pressure to torm boards useful in build ing. Bark board has the poten tial advantage that expensive bind ers needed for most particle ooaras coma? De reduced or elim inated entirely. Whole bark is reduced to us able particles by a simple pro cess of hammer milling, drying. ana screening. Processing into boards is similar to methods fol lowed in making wood particle boards. Existing plants could make nils new product. Burrows stated that Douglas fir Dark, in particular, .contains built in binder and size in the form of natural waxes, tannins, and , phenolic substances. Preliminary studies indicate these natural bind ers provide boards with strength for many uses. Added strength or special surfaces where needed can be gained by overlays of hea vy paper, veneer, or other ma terial, bonded to each side of the bark board. Investigation of bark boards was an outgrowth of the Forest Re search Center's work on floor tile from the cork fraction of Doug las fir bark. Production, finishing, and testing of experimental tile from Douglas fir cork are de scribed in a report to be released soon. Properties and estimated costs of the experimental tile indi cate that it should ha competitive with other types of floor covering. The forthcoming report on cork me loiiows closely a companion report on floor tile from planer snavings wnicn was released re cently as Information Circular No 12. The Forester Research Center helped pioneer Oregon's thriving hardboard industry. Starting with one small plant in Corvallis some 14 years ago, seven plants in the state now make one-fourth of the nation s hardboard. The combined capacity of Oregon mills is more than 37 million square feet monthly. Growing production of wood par ticle, board from mill residues has been stimulated by research. Po tential use of bark residues for boards is the latest development in a series of studies to aid pro ducers of hardboard and particle ooard. Staff at the research center be lieve use of bark for particle boards, floor tile, and soil amend ment will improve timber utiliza tion until bark becomes a profit able source for chemicals. Ultimately the waxes, tannins and other components of bark vill have high value when isolat ed and sold for specific uses. Stu dies of" bark chemicals begun at Hie center by E. F. Kurth and continued under direction of Doug las W. Glennie, revealed that sub stantial quantities of potentially valuable extractives are present in bark. Douglas fir and other barks contain natural waxes that could compete with high-quality, import ed, vegetable waxes in polishes of all kinds, in carbon paper, and in olher commercial products. Rancidity in oils, fats, and dairy products may be prevented by derivatives of dihydroquercetin, a chemical in Douglas fir bark. This non-toxic flavanoid acts to slow oxidation. Development of these and other markets for bark extractives would improve the opportunities for prof itable tannin production from western tree barks and establish them as competitors of imported tannin materials now used in lea ther tanning and oil well drilling The center's work on bark ex tractives has led to five state owned patents available to indus try on a licensing basis. One ma jor timber company has these un der consideration in its search for the best commercial process. Further development of bark as a source of raw materials for chem ical industry could follow commer cial production of bark extrac tives. Chemical utilization of bark now stands at about the same point that chemical use of petrol eum and coal tar did 50 years ago. A start has been made in indus trial use of bark extractives for oil well drilling, but this repre sents only a small beginning in obtaining the values present. The more than 2 million tons of bark accumulated annually at Ore gon sawmills and veneer mills constitute a rich potential for chemical use. The Forest Research Cenler in Corvallis is a state agency sup ported by a severance tax on logs harvested, and by general fund appropriation. The center is de voted to increasing the returns from our forests and improving Oregon's basic industry. J J LM xItJ iVt r;r;p ,4ir r Farmers! Ranchers! Stockmen! SEE JUCK for Your Truck! JUCKELAND MOTORS, Inc. Your International Dealer 11 th A Klamath Ph. 2-2581 iUkCtll - "? II. win II ! mJ 1 M'U IAL ECONOMY 111 W, ON TALL HAT Htir.i'S Csll or Writ (r Mr - DeUUi - D PANE e I i 9 n c d FARM BUILDINGS PEX FARM BUILDINGS, Inc. 9819 Derby SI. TU I-S9M CHARLES H. BURROWS, wood technologist, displays experimental boards made from Douglas' fir bark at Oregon's Forest Research Center in Corvallis, Tree bark when ground into particles will form boards under heat and pressure without added binder. Burrows is holding one board made entirely of bark; other boards are overlaid with paper or veneer. Such boards may lead to a new industry based on the vast quantity of bark now burned at mills. Cash Registers Chime Obligatto In Markets . NEW YORK (UPD Cash regis ters are playing obligatto in a supermarket symphony these days. Bells of money machines are heard against a background of song in nearly 61 per cent of the nation's large food stores, as "mu sic to buy by" gains popularity. Storecast System, the largest supplier of background music for supermarkets, reports that house wives have musical loyalties as well as food brand loyalties. They like bright, gay melodies in the morning and late afternoon, and soft, relaxing tunes around mid-day. A recent agreement between the Storecast System and the Amer ican Society of Composers, Auth ors and Publishers tASCAP) is bringing millions more selections. The current favorites include "Blue Skies," "Whistle While You Work," "Fascination," "Stardust' and "It's a Lovely Day Today.' "Tea for Two" is the only song on the list of 32 top tunes that refers to mealtime. So maybe su permarket managers aren't ready lor all-out psychological warfare, although they have plenty of am munition on records waiting to be played. For instance: "Yes, We Have No Bananas" could announce shortages ot the fresh fruit and vegetable depart ment. Quickly followed by an al ternate suggestion, "Life Is Just a Bowl of Cherries." "One Meat Ball" and "Shrimp Boals Acoming" might be played if meat supplies were low and shellfish plentiful. 'Shortenin' Bread" or "Shoo Fly Pie and Apple Pan Dowdy" could proclaim the day's specials at the bakery counter. "You're the Cream in My Cof fee" would be a good reminder at the dairy department. And, as Mrs. Shopper exits from the cheok-out line, give her a final appreciative chorus of "This Was a Real Nice Clambake." GOOD NEWS WASHINGTON (UPD - Army cooks in the Military District of Washington are getting expert training. Every eight weeks, four of them join the kitchen staffs at two big Washington hotels for in tensive study of food preparation and service. The GI's are graded each week by the hotel chefs under whom they work. And theres a final examination at the end of the course. COINCIDENCE NEW LONDON.. Conn. (UPD And whom do you think the U.S. Submarine Base picked as "Sai lor of the Month?" Chief Petty Otficer Davey Jones, I iiii? I. 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