JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 57

Tab. 1: Thickness control parameters for the epoxy layer

Tab. 4: Top layer polyester formulation

Formulation,
%

Manufacturer

Alternative
ingredients

Polyester polyol,
JEFFOL-A630

70

Huntsman Inc.

Dow Chemical
polyols

Hardener, BCA A637

28

Brenntag Inc.

56.6

Catalyst, Dabco® 1030

2

Air Product

2

113.3

Surfactant, DabcoLK443

0.1

Air Product

2

226.6

Blowing agent, Dabco
DMDEE

2

Air Product

Layer thickness, in

Specific gravity
of cured layer,
g/in3

Sample
length, in

Sample
width, in

Epoxy layer
weight, g

0.25

1.18

48

2

28

0.38

1.18

48

2

42.5

0.5

1.18

48

2

1

1.18

48

2

1.18

48

Ingredients

Tab. 2: Thickness control parameters for the polyester layer

Layer thickness, in

Specific gravity
of cured layer,
g/in3

Sample
length, in

Sample
width, in

Polyester layer
weight, g

1

1.38

48

2

132.5

2

1.38

48

2

265

3

1.38

48

2

397.4

4

1.38

48

2

530

5

1.38

48

2

662

- damping layer with a modulus of elasticity E = 2.0x109 N/m2
- density ρ = (1.2-1.4) x 103 kg/m3
- dissipation coefficient of energy per density η= 0.7-0.8
The dissipated energy is the energy that is spread into the environment or lost. The sound absorption layer has a density
ρ = 50-100 kg/m3. The damping layer and the sound absorption
layer both have adhesive, waterproof, non-toxic and fire protection properties.

Thickness control
The thickness of a layer can be controlled by regulating the layer's
weight using the following formula: W = T L H λ
(1)
where: T is the thickness of the layer (in), L is the length of the
sample (in), H is the width of the sample (in), λ is the specific
gravity of the cured layer, (g/in3). Thickness control parameters
for the epoxy and the polyester layers are presented in Tables 1
and 2, respectively.

Technology development
The technology information required to design the epoxy layer
coating was provided by Florock® Polymer Flooring Inc. [6]. An
epoxy resin with a viscosity of 600-1000 CPS was poured onto

Ethylene carbonate
solvent, JEFSOL EC-50

10

Huntsman Inc.

In case no blowing
catalyst is used

FM-200 hydrofluorocarbonates
or Laprolate 803
chlorofluorocarbonates,
fluorinated
solvent, HFC-134a
fire suppressor

the floor and spread with a squeegee, then rolled to level.
Loctite® Epoxy Marine - a two-part adhesive consisting of an
epoxy resin and a hardener - was selected for the bottom layer.
When mixed in equal volumes, the resin and hardener react to
produce a tough, rigid, high-strength bond that starts to set after
5 minutes and reaches handling strength in 1 hour. The static mix
spray nozzle consistently delivered a uniform mixture of resin and
hardener. Loctite® Epoxy Marine is a good adhesive for aluminium and steel. It does not shrink and is resistant to water and
most common solvents [7].
Loctite High Performance Spray Adhesive is a premium quality
formulation that dries clear and has a superior bonding strength.
It dries quickly and is ideal for a wide range of household and
automotive repair projects. This adhesive works on a variety of
porous and non-porous substrates [8]. The typical properties of
cured Loctite® Epoxy Marine are shown in Table 3. The polyester
formulation used for the top layer is presented in Table 4.
The BCA A637 hardener is a highly reactive aliphatic amine
Mannich-based hardener. Its advantages include low-temperature
cure and good chemical resistance. The Dabco® 1030 catalyst is
used in the production of flexible moulded polyurethane foams.
Due to health and safety regulations along with the continued
push to eliminate VOC (volatile organic compound) emissions
in passenger compartments, the Dabco® 1030 catalyst is used
only when no blowing catalyst is needed. The Dabco LK-443

Tab. 3: Typical properties of cured Loctite® Epoxy Marine
Flexural strength, N/mm² / psi

79 / 11,500

Flexural modulus, N/mm² / psi

3,810 / 552,400

Compressive strength, N/mm² / psi

79 / 11,500

Compressive modulus, N/mm² / psi

3,725 / 540,000

Tensile strength, N/mm² / psi

32.5 / 4,720

Tensile modulus, N/mm² / psi

10,480 / 1,520,000

Elongation, %

0.56

Fig. 3: Polyester with rubber has fire protection properties

No97 May - June 2015 /

jec composites magazine 57



JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015

Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015

Cover
Edito
Point of view : Excellence as a motto
Contents
COMPANY & BUSINESS
In brief
Equipment
Agenda of Events
APPLICATIONS
Marine
Watch
MARKET
USA
SPECIAL JEC AMERICAS
Conferences
Awards
Brazil, country guest of honor
Natural fibes
Manufacturing
Oil & Gas / overview
Oil & Gas / manufacturing
Oil & Gas / testing
Oil & Gas / Coating
RESEARCH & DEVELOPMENT
CFRP
Health monitoring
TECHNOLOGY & INNOVATIONS
Pultrusion
AFP
Prepreg
Repairing
Index
In the world
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - Cover
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 2
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - Edito
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - Point of view : Excellence as a motto
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 5
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - Contents
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 7
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - In brief
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - Equipment
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 10
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 11
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - Agenda of Events
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 13
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - Ad1
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - Ad2
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - Marine
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 15
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - Watch
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 17
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - USA
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 19
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 20
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 21
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 22
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - Conferences
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 24
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 25
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - Awards
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 27
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 28
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 29
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 30
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 31
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - Brazil, country guest of honor
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 33
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - Natural fibes
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 35
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 36
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 37
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 38
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - Manufacturing
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 40
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 41
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 42
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 43
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 44
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - Oil & Gas / overview
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 46
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 47
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - Oil & Gas / manufacturing
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 49
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 50
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - Oil & Gas / testing
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 52
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 53
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - Oil & Gas / Coating
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 55
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - CFRP
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 57
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 58
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 59
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - Health monitoring
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 61
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 62
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 63
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - Pultrusion
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 65
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - AFP
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 67
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 68
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - Prepreg
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 70
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - Repairing
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 72
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - Ad3
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - Ad4
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - Index
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - In the world
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 75
JEC COMPOSITES MAGAZINE - Issue #97 - Special JEC Americas - May/June 2015 - 76
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