Index Catalog // ScholarsArchive@OSU

Analysis and comparison of essential oil components extracted from the heartwoods of Leyland cypress, Alaska yellow cedar, and Monterey cypress

Creator:: Liu, Xinfeng
Abstract:: The essential oil components of cedar heartwoods play an important role in the durability of these trees. Yet, the composition of these oils and identity of many of the compounds remains unknown, or incompletely know for some commercially important cedar heartwoods. The essential oil extracts of Alaska Yellow Cedar (Chamaecyparis...
Resource Type:: Masters Thesis
Full Text:: Monterey Cypress. Abstract approved: ___________________________ Joseph J. Karchesy

Environmental effects on heartwood extractive content and their consequences for natural durability in Douglas-fir and western redcedar

Creator:: Taylor, Adam McVaugh, 1969-
Abstract:: Heartwood can have properties that are distinct from sapwood, including resistance to insect and microbial attack. Despite the practical importance of heartwood formation in trees, a review of the literature revealed that little was known about the effects of environmental factors on heartwood quality or how variations in heartwood properties...
Resource Type:: Dissertation
Full Text:: members, Renée Brooks, Joe Karchesy and Claire Montgomery, for the guidance and support. This research

Development and evaluation of a new formaldehyde-free wood adhesive from renewable materials for making interior plywood

Creator:: Jang, Yonghwan
Abstract:: Synthetic adhesives, such as phenol-formaldehyde (PF) resins and urea-formaldehyde (UF) resins, have dominated the wood adhesive market since they were introduced in the wood products industry. Formaldehyde, as a key component in the manufacturing of PF and UF resins, has been classified as a known human carcinogen by the International...
Resource Type:: Masters Thesis
Full Text:: revising my thesis. I would like to sincerely thank Dr. Willie E. Skip Rochefort, Dr. Joe Karchesy, and

Improved interfacial adhesion in wood-plastic composites : Development of new compatibilizers

Creator:: Zhang, Cheng
Abstract:: In wood-plastic composites (WPCs) a compatibilizer is often used to improve the interfacial adhesion between the hydrophilic wood filler and the hydrophobic plastic matrix. At present, while the basic concepts of compatibilization are understood, the optimized chemical structures of an effective compatibilizer, including the ideal structures of the wood-binding domain...
Resource Type:: Dissertation
Full Text:: , Joe Karchesy and Dr. Skip Rochefort. I am grateful to my fellow graduate students and group members

Investigation of new compatibilizer systems for wood-polyethylene composites

Creator:: Geng, Yu
Abstract:: Wood-plastic composites (WPCs) are one of the fastest-growing sectors of the wood composites industry. However, the strengths of WPCs are typically low because of the poor interfacial adhesion between hydrophilic wood and hydrophobic thermoplastics. A compatibilizer that can form bridges between wood and plastics is required to give WPCs desirable...
Resource Type:: Dissertation
Full Text:: , and my committee members, Dr. Joe Karchesy, Dr. Skip Rochefort, Dr. Mark Zabriskie, for their advice

Development and evaluation of novel coupling agents for kenaf-fiber-reinforced unsaturated polyester composites

Creator:: Ren, Xiaofeng
Abstract:: Natural fibers are gaining popularity as reinforcement materials for thermoset resins over the last two decades. Natural fibers are inexpensive, abundant, renewable and environmentally friendly. Kenaf fibers are one of the natural fibers that can potentially be used for reinforcing unsaturated polyester (UPE). As a polymer matrix, UPE enjoys a...
Resource Type:: Dissertation
Full Text:: for my whole lifetime. I would like to thank Dr. Joseph Karchesy, Dr. John Nairn, Dr. Willie E. Skip

Development and characterization of new formaldehyde-free soy flour-based adhesives for making interior plywood

Creator:: Huang, Jian
Abstract:: Formaldehyde-based adhesives such as urea-formaldehyde (UF) and phenol-formaldehyde (PF) adhesives dominate the current wood adhesive market. However, these adhesives are derived from petrochemicals and carcinogenic formaldehyde. In this study, we developed two formaldehyde-free adhesives based on abundant, renewable, and inexpensive soy flour (SF). The first adhesive was mainly composed of...
Resource Type:: Masters Thesis
Full Text:: will definitely be beneficial to my future work and life. I would like to thank Dr. Joe Karchesy

Interfacial shear strength of wood-plastic composites

Creator:: Rogers, James F.
Abstract:: This study examined the relationship of interfacial shear strength (IFSS) and bending strength (MOR) of several different wood-plastic composites (WPC's). Plastics utilized were high-density polyethylene (HDPE) and polypropylene (PP). Pine and oak were used as the wood species. Compatibilizers used included maleicanhydride polyethylene (MAPE), polymeric methylene diphenyl diisocyanate (PMDI), KymeneTM,...
Resource Type:: Masters Thesis
Full Text:: goals would be finished. Professors Skip Rochefort and Joe Karchesy also are due many thanks for being

Improving the durability of second growth timbers of naturally durable species

Creator:: Cabrera Orozco, Yohanna
Abstract:: While the heartwood of many wood species exhibits excellent resistance to fungal and insect attack, this resistance is sometimes diminished in second-growth material of the same species. The reasons for the reduced durability are unclear, but they may reflect a combination of both higher proportions of sapwood as well as...
Resource Type:: Masters Thesis
Full Text:: , including: Joe Karchesy, Sheeba Veluthoor, and Xienfeng Liu, who helped me with wood extraction; Mathew

Limiting copper loss from treated wood in or near aquatic environments

Creator:: Mitsuhashi Gonzalez, June M.
Abstract:: Copper migration from treated wood has created concerns within the environmental community because of the potential effects of this heavy metal on aquatic organisms. Migration can be limited, to some extent, by more controlled treatments and by post-treatment processing, but these actions cannot completely overcome the problem. An alternative approach...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Analysis and comparison of essential oil components extracted from the heartwoods of Leyland cypress, Alaska yellow cedar, and Monterey cypress

Environmental effects on heartwood extractive content and their consequences for natural durability in Douglas-fir and western redcedar

Development and evaluation of a new formaldehyde-free wood adhesive from renewable materials for making interior plywood

Improved interfacial adhesion in wood-plastic composites : Development of new compatibilizers

Investigation of new compatibilizer systems for wood-polyethylene composites

Development and evaluation of novel coupling agents for kenaf-fiber-reinforced unsaturated polyester composites

Development and characterization of new formaldehyde-free soy flour-based adhesives for making interior plywood

Interfacial shear strength of wood-plastic composites

Improving the durability of second growth timbers of naturally durable species

Limiting copper loss from treated wood in or near aquatic environments

Limit your search

Academic Affiliation

Advisor

Commencement Year

Committee Member

Creator

Date

Decade

Degree Field

Degree Level

Degree Name

File Format

Language

License

Non-Academic Affiliation

Peer Reviewed

Resource Type

Rights Statement

Subject

Search Constraints

Search Results

Limit your search