After chemically seperating the cellulose �bres from wood, the lignocellulostic �brous material, pulp, is used to make paper. All thermal receipts start with a base layer of normal paper before a release liner and pre-layer are added.

The release liner is a paper or plastic based carrier ma-terial added to the paper so that the pre layer and ther-mal layer will react properly with it.

A layer of mixed chemcals are added to the base paper to form an undercoating that gives a smoother more even surface for the even distribution of the thermal layer. The pre-layer also allows for better image quality when printed in a thermal receipt printer.

This is the most important layer for thermal receipt paper. This layer contains the chemicals that will react to heat in the printer’s thermal header to create an image on the receipt paper.

After the calendering process the paper sheet is fed into a duplex roller, a special paper roller that limits the number of defects in layered paper.

The �nishing process of coated paper making where the paper is pressed through heated rolls in order for it to have a glossy �nish. The rolls usually exert a force of 500 pounds per linear inch.

Pulp & Base Layer Chemicals

ReleaseLiner Formulation

Pre-Layer

Thermal Layer

Calendering

Winding &Packaging

Each chemical product including a coloring and sensitizing agent and color enhancer go into a ball mill to reduce their particle size. A ball mill is esentially a grinder that uses small balls made out of a hard material that move around to grind up each chemical to the right par-ticle size. This allows all the chemicals to combine evenly, and thusly each layer to apply correctly.

This stage is performed in the “kitchen” or preperation area. All of the chemicals that have just been ground up into their proper particle sizes are combined to pro-duce the thermal coating mix.

Receipts? Really!?

21 out of 22 dollar bills contains BPAfrom receipt contact

11 of 22 Receipts contain high levels of BPA

= 1 Ton of Paper

Receipts demands are 640,000 in the USper year. Thats 9,600,000 trees used as receipts per year!

BPA Can Cause-Cancer-Undeveloped brains in infants-Reproductive defects-Diabetes-Obesity

Use & Removal

Most stores go through about 2 roles of receipt paper in a full day. That’s around 400 feet of paper.Most consumers only keep receipt paper for a couple of days and then throw them away.

The thermal header on the thermal receipt printer heats up the thermal receipt paper as it rolls past, reacting with the thermal layer and creating an image on the paper.

Heated Rolls

Reciept paper

Thermal Layer

Pre-Layer

Base Layer

Thermal Header

= 10 billion gallons ofwater used in receiptpaper production

= 100,000 cars that canrun o� the CO2 emissionsfor 1 year 24/7 from receiptproduction.

= 25, 000 gallons of oilused during receipt paperproduction.

During the addition of the thermal layer to the receipt paper, BPA is also added to help protect the receipt paper from reacting with things other then the thermal printer.

BPA Addition Stage

The receipt paper moves along a conveyor beltand comes to an applyer that adds a perfect coatingof thermal layer to the paper, which also contains the BPA.

Thermal layer & BPAApplyer

Paper

= 1 billion pounds of garbageproduced by receipt papereach year