Starting Point Formulation

UCAR Latex 154S
Contact Adhesive
Formulation Suggestion K-2226

Ingredients

Parts by Weight

UCAR™ Latex 154S**
100.00

Aqueous Phenolic Dispersion (45-48% N.V.)
BKUA-2370
BKUA-2260
43.00

Triethanolamine
0.50
Total:
143.50
**Adjust pH of UCAR Latex 154S to 6.0 to 6.5 with triethanolamine. Stir in the phenolic dispersion and mix until uniform.


Canvas-To-Canvas Peel Strength
Formulation Peel Strength, psi
at 23°C at 60°C
Green Strength 24 Hours One Week One Week

UCAR Latex 154S
3
10
12
7

UCAR Latex 154S with BKUA-2370
9
15
17
9

UCAR Latex 154S with BKUA-2260
7
12
12
5

Commercial Water-based Control
2
10
11
2

Solvent-Based Neoprene Control
7
20
35
10

All specimens prepared by applying two coats using No. 50 wire wound rod, allowing 30 minutes between coats. After a 30-minute air dry, bonds were assembled and pressed with a 10-pound roller. Elevated temperature assemblies were aged at room temperature for 7 days before testing at 60°C.


Canvas-To-Canvas Peel Strength
Formulation Peel Strength, psi
23°C 60°C 80°C

UCAR Latex 154S
110
61
33

UCAR Latex 154S with BKUA-2370
232
60
51

UCAR Latex 154S with BKUA-2260
167
51
42

Commercial Water-based Control
153
36
26

All specimens prepared by applying two coats using No. 50 wire wound rod, allowing 30 minutes between coats. After a 30-minute air dry, bonds were assembled and pressed with a 10-pound roller.


High Pressure Laminate To Plywood "Lap Shear"
Formulation Peel Strength, psi
at 23°C
Green Strength One Week

UCAR Latex 154S
1
15

UCAR Latex 154S with BKUA-2370
11
14

UCAR Latex 154S with BKUA-2260
8
12

Commercial Water-based Control
2
11

Solvent-Based Neoprene Control

-
25

All specimens prepared by brushing two coats of adhesive on each surface, allowing 30 minutes between coats. After a 30-minute air dry, bonds were assembled at room temperature under light pressure, cured in an oven for 20 minutes at 150°, and allowed to cool to room temperature before testing.

NOTICE: No freedom from any patent owned by Seller or others is to be inferred. Because use conditions and applicable laws may differ from one location to another and may change with time, Customer is responsible for determining whether products and the information in this document are appropriate for Customer's use and for ensuring that Customer's workplace and disposal practices are in compliance with applicable laws and other governmental enactments. Seller assumes no obligation or liability for the information in this document. NO WARRANTIES ARE GIVEN; ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY EXCLUDED.