Page 58 - Kutnar, Andreja, et al., eds., 2015. Proceedings of the 1st COST Action FP1307 International Conference - Life Cycle Assessment, EPDs, and modified wood. University of Primorska Press, Koper.
P. 58
S,
Wa,
γSL)
were
used
to
calculate
dispersive
and
polar
components.
All
included
in
the
experiments
bonding
agents
were
characterized
by
high
values
of
Wa
(Table
1),
exceeding
the
level
of
100
mJ/m2,
which
is
a
very
positive
result.
For
beech
and
pine
wood
Wa
ranks
in
the
range
of
109
to
125;
105
to
124
mJ/m2
respectively.
Most
preferred
relationships
were
obtained
for
the
EVA
adhesive.
Table
1:
Effect
of
temperature
modification
of
veneers
on
Wa
PVAC
adhesives
Kind
of
wood
Kind
of
Temperature
of
5
Time
[s]
60
species
adhesive
TM
modification
10
30
112,93
Beech
[ºC]
Work
of
adhesion
[mJ/m2]
116,53
wood
117,83
control
109,10
111,50
112,75
118,78
Pine
wood
133,34
Non
150
113,72
114,84
115,61
133,70
133,94
modified
180
115,94
116,28
116,86
134,13
119,58
210
117,02
117,02
117,59
118,07
119,17
control
125,23
129,00
132,85
120,78
108,67
EVA
150
128,46
130,68
133,34
120,01
180
127,78
131,28
133,08
120,43
127,18
210
128,84
131,15
133,55
133,09
136,45
control
116,96
117,05
118,38
136,86
136,86
EPI
150
113,98
114,07
115,94
119,58
180
116,69
116,69
118,31
119,58
122,95
210
116,19
117,18
119,64
125,61
control
105,81
106,43
107,15
Non
150
117,85
117,85
118,64
modified
180
119,24
119,24
119,75
210
125,02
125,61
126,04
control
124,19
130,00
132,40
EVA
150
127,73
132,61
135,89
180
128,79
132,61
136,29
210
130,00
133,56
136,29
control
116,96
117,05
118,38
EPI
150
117,59
117,68
118,72
180
120,51
120,68
121,34
210
120,68
121,58
124,49
References
Bekhta
P.,
Proszyk
S.,
Krystofiak
T.,
Lis
B.
(2015):
Surface
wettability
of
short-‐term
thermo-‐mechanically
densified
wood
veneers.
European
Journal
Wood
and
Wood
Products
73:
415-‐417.
Bekhta
P.,
Proszyk
S.,
Lis
B.,
Krystofiak
T.
(2014):
Gloss
of
thermally
densified
alder
(Alnus
glutinosa
Gaertn.),
beech
(Fagus
sylvatica
L.),
birch
(Betula
verrucosa
Ehrh.),
and
pine
(Pinus
sylvestris
L.)
wood
veneers.
European
Journal
Wood
and
Wood
Products
72(6):799-‐808.
Kutnar
A.,
Šernek
M.
(2007):
Densification
of
wood.
Zbornik
gozdarstva
in
lesarstva,
82:
53-‐62.
Liptáková
E.,
Paprzycki
O.
(1983):
Znaczenie
zjawisk
powierzchniowych
w
procesie
tworzenia
się
układu
drewno-‐
powłoka
lakierowa.
Przemysł
Drzewny,
34
(6):
7-‐10.
46
Wa,
γSL)
were
used
to
calculate
dispersive
and
polar
components.
All
included
in
the
experiments
bonding
agents
were
characterized
by
high
values
of
Wa
(Table
1),
exceeding
the
level
of
100
mJ/m2,
which
is
a
very
positive
result.
For
beech
and
pine
wood
Wa
ranks
in
the
range
of
109
to
125;
105
to
124
mJ/m2
respectively.
Most
preferred
relationships
were
obtained
for
the
EVA
adhesive.
Table
1:
Effect
of
temperature
modification
of
veneers
on
Wa
PVAC
adhesives
Kind
of
wood
Kind
of
Temperature
of
5
Time
[s]
60
species
adhesive
TM
modification
10
30
112,93
Beech
[ºC]
Work
of
adhesion
[mJ/m2]
116,53
wood
117,83
control
109,10
111,50
112,75
118,78
Pine
wood
133,34
Non
150
113,72
114,84
115,61
133,70
133,94
modified
180
115,94
116,28
116,86
134,13
119,58
210
117,02
117,02
117,59
118,07
119,17
control
125,23
129,00
132,85
120,78
108,67
EVA
150
128,46
130,68
133,34
120,01
180
127,78
131,28
133,08
120,43
127,18
210
128,84
131,15
133,55
133,09
136,45
control
116,96
117,05
118,38
136,86
136,86
EPI
150
113,98
114,07
115,94
119,58
180
116,69
116,69
118,31
119,58
122,95
210
116,19
117,18
119,64
125,61
control
105,81
106,43
107,15
Non
150
117,85
117,85
118,64
modified
180
119,24
119,24
119,75
210
125,02
125,61
126,04
control
124,19
130,00
132,40
EVA
150
127,73
132,61
135,89
180
128,79
132,61
136,29
210
130,00
133,56
136,29
control
116,96
117,05
118,38
EPI
150
117,59
117,68
118,72
180
120,51
120,68
121,34
210
120,68
121,58
124,49
References
Bekhta
P.,
Proszyk
S.,
Krystofiak
T.,
Lis
B.
(2015):
Surface
wettability
of
short-‐term
thermo-‐mechanically
densified
wood
veneers.
European
Journal
Wood
and
Wood
Products
73:
415-‐417.
Bekhta
P.,
Proszyk
S.,
Lis
B.,
Krystofiak
T.
(2014):
Gloss
of
thermally
densified
alder
(Alnus
glutinosa
Gaertn.),
beech
(Fagus
sylvatica
L.),
birch
(Betula
verrucosa
Ehrh.),
and
pine
(Pinus
sylvestris
L.)
wood
veneers.
European
Journal
Wood
and
Wood
Products
72(6):799-‐808.
Kutnar
A.,
Šernek
M.
(2007):
Densification
of
wood.
Zbornik
gozdarstva
in
lesarstva,
82:
53-‐62.
Liptáková
E.,
Paprzycki
O.
(1983):
Znaczenie
zjawisk
powierzchniowych
w
procesie
tworzenia
się
układu
drewno-‐
powłoka
lakierowa.
Przemysł
Drzewny,
34
(6):
7-‐10.
46
